102202131121312 has 12 divisors (see below), whose sum is σ = 201210445645146. Its totient is φ = 51101065560640.

The previous prime is 102202131121273. The next prime is 102202131121361. The reversal of 102202131121312 is 213121131202201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 96233667135376 + 5968463985936 = 9809876^2 + 2443044^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596908298739 + ... + 1596908298802.

Almost surely, 2^{102202131121312} is an apocalyptic number.

It is an amenable number.

102202131121312 is a deficient number, since it is larger than the sum of its proper divisors (99008314523834).

102202131121312 is an equidigital number, since it uses as much as digits as its factorization.

102202131121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193816597551 (or 3193816597543 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 102202131121312 its reverse (213121131202201), we get a palindrome (315323262323513).

The spelling of 102202131121312 in words is "one hundred two trillion, two hundred two billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred twelve".