103210121131312 has 40 divisors (see below), whose sum is σ = 215355483050960. Its totient is φ = 47634645162240.

The previous prime is 103210121131297. The next prime is 103210121131349. The reversal of 103210121131312 is 213131121012301.

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, 8436514 + ... + 16661182.

It is an arithmetic number, because the mean of its divisors is an integer number (5383887076274).

Almost surely, 2^{103210121131312} is an apocalyptic number.

It is an amenable number.

103210121131312 is an abundant number, since it is smaller than the sum of its proper divisors (112145361919648).

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

103210121131312 is a wasteful number, since it uses less digits than its factorization.

103210121131312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8285021 (or 8285015 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 103210121131312 its reverse (213131121012301), we get a palindrome (316341242143613).

The spelling of 103210121131312 in words is "one hundred three trillion, two hundred ten billion, one hundred twenty-one million, one hundred thirty-one thousand, three hundred twelve".