1213102422 has 192 divisors, whose sum is σ = 3356121600. Its totient is φ = 308689920.

The previous prime is 1213102411. The next prime is 1213102459. The reversal of 1213102422 is 2242013121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1213102395 and 1213102404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3664797 + ... + 3665127.

It is an arithmetic number, because the mean of its divisors is an integer number (17479800).

Almost surely, 2^1213102422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213102422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678060800).

1213102422 is an abundant number, since it is smaller than the sum of its proper divisors (2143019178).

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

1213102422 is a wasteful number, since it uses less digits than its factorization.

1213102422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1213102422 is about 34829.6198945668. The cubic root of 1213102422 is about 1066.5121889356.

Adding to 1213102422 its reverse (2242013121), we get a palindrome (3455115543).

The spelling of 1213102422 in words is "one billion, two hundred thirteen million, one hundred two thousand, four hundred twenty-two".