102203212121312 has 48 divisors (see below), whose sum is σ = 204799593549600. Its totient is φ = 50192980093440.

The previous prime is 102203212121299. The next prime is 102203212121357. The reversal of 102203212121312 is 213121212302201.

It is a super-2 number, since 2×102203212121312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35540012 + ... + 38307947.

It is an arithmetic number, because the mean of its divisors is an integer number (4266658198950).

Almost surely, 2^{102203212121312} is an apocalyptic number.

It is an amenable number.

102203212121312 is an abundant number, since it is smaller than the sum of its proper divisors (102596381428288).

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

102203212121312 is an equidigital number, since it uses as much as digits as its factorization.

102203212121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73848739 (or 73848731 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102203212121312 its reverse (213121212302201), we get a palindrome (315324424423513).

The spelling of 102203212121312 in words is "one hundred two trillion, two hundred three billion, two hundred twelve million, one hundred twenty-one thousand, three hundred twelve".