102213011232 has 72 divisors (see below), whose sum is σ = 293335021980. Its totient is φ = 33758415360.

The previous prime is 102213011167. The next prime is 102213011269. The reversal of 102213011232 is 232110312201.

It can be written as a sum of positive squares in 2 ways, for example, as 96246375696 + 5966635536 = 310236^2 + 77244^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×102213011232² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1596619 + ... + 1659402.

Almost surely, 2^102213011232 is an apocalyptic number.

102213011232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102213011232 is an abundant number, since it is smaller than the sum of its proper divisors (191122010748).

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

102213011232 is a wasteful number, since it uses less digits than its factorization.

102213011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256146 (or 3256135 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102213011232 its reverse (232110312201), we get a palindrome (334323323433).

The spelling of 102213011232 in words is "one hundred two billion, two hundred thirteen million, eleven thousand, two hundred thirty-two".