121312020323102 has 24 divisors (see below), whose sum is σ = 212601450859560. Its totient is φ = 51763831494480.

The previous prime is 121312020323071. The next prime is 121312020323107. The reversal of 121312020323102 is 201323020213121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312020323107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2702767424 + ... + 2702812307.

It is an arithmetic number, because the mean of its divisors is an integer number (8858393785815).

Almost surely, 2^{121312020323102} is an apocalyptic number.

121312020323102 is a deficient number, since it is larger than the sum of its proper divisors (91289430536458).

121312020323102 is a wasteful number, since it uses less digits than its factorization.

121312020323102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405579976 (or 5405579969 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121312020323102 its reverse (201323020213121), we get a palindrome (322635040536223).

The spelling of 121312020323102 in words is "one hundred twenty-one trillion, three hundred twelve billion, twenty million, three hundred twenty-three thousand, one hundred two".