101231120312 has 16 divisors (see below), whose sum is σ = 216923829360. Its totient is φ = 43384765824.

The previous prime is 101231120293. The next prime is 101231120329. The reversal of 101231120312 is 213021132101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903849233 + ... + 903849344.

It is an arithmetic number, because the mean of its divisors is an integer number (13557739335).

Almost surely, 2^101231120312 is an apocalyptic number.

It is an amenable number.

101231120312 is an abundant number, since it is smaller than the sum of its proper divisors (115692709048).

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

101231120312 is a wasteful number, since it uses less digits than its factorization.

101231120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807698590 (or 1807698586 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101231120312 its reverse (213021132101), we get a palindrome (314252252413).

The spelling of 101231120312 in words is "one hundred one billion, two hundred thirty-one million, one hundred twenty thousand, three hundred twelve".