121612092 has 48 divisors (see below), whose sum is σ = 327962880. Its totient is φ = 34353792.

The previous prime is 121612091. The next prime is 121612093. The reversal of 121612092 is 290216121.

It is an interprime number because it is at equal distance from previous prime (121612091) and next prime (121612093).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121612091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658 + ... + 15609.

It is an arithmetic number, because the mean of its divisors is an integer number (6832560).

Almost surely, 2^121612092 is an apocalyptic number.

121612092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121612092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163981440).

121612092 is an abundant number, since it is smaller than the sum of its proper divisors (206350788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121612092 is a wasteful number, since it uses less digits than its factorization.

121612092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16370 (or 16368 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 121612092 is about 11027.7872667186. The cubic root of 121612092 is about 495.4413531232.

The spelling of 121612092 in words is "one hundred twenty-one million, six hundred twelve thousand, ninety-two".