100047612 has 96 divisors (see below), whose sum is σ = 275968000. Its totient is φ = 28195776.

The previous prime is 100047611. The next prime is 100047653. The reversal of 100047612 is 216740001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100047611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448533 + ... + 448755.

Almost surely, 2^100047612 is an apocalyptic number.

100047612 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 100047612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137984000).

100047612 is an abundant number, since it is smaller than the sum of its proper divisors (175920388).

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

100047612 is a wasteful number, since it uses less digits than its factorization.

100047612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 100047612 is about 10002.3803167046. The cubic root of 100047612 is about 464.2325367824.

Adding to 100047612 its reverse (216740001), we get a palindrome (316787613).

The spelling of 100047612 in words is "one hundred million, forty-seven thousand, six hundred twelve".