102355505412 has 36 divisors (see below), whose sum is σ = 241317321840. Its totient is φ = 33766727424.

The previous prime is 102355505339. The next prime is 102355505459. The reversal of 102355505412 is 214505553201.

It is a super-2 number, since 2×102355505412² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340362 + ... + 566177.

It is an arithmetic number, because the mean of its divisors is an integer number (6703258940).

Almost surely, 2^102355505412 is an apocalyptic number.

102355505412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102355505412 is an abundant number, since it is smaller than the sum of its proper divisors (138961816428).

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

102355505412 is an equidigital number, since it uses as much as digits as its factorization.

102355505412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906740 (or 906641 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 102355505412 in words is "one hundred two billion, three hundred fifty-five million, five hundred five thousand, four hundred twelve".