101121012312 has 16 divisors (see below), whose sum is σ = 252802530840. Its totient is φ = 33707004096.

The previous prime is 101121012299. The next prime is 101121012353. The reversal of 101121012312 is 213210121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121012291 and 101121012300.

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, 2106687733 + ... + 2106687780.

Almost surely, 2^101121012312 is an apocalyptic number.

101121012312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121012312 is an abundant number, since it is smaller than the sum of its proper divisors (151681518528).

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

101121012312 is a wasteful number, since it uses less digits than its factorization.

101121012312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213375522 (or 4213375518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 101121012312 its reverse (213210121101), we get a palindrome (314331133413).

The spelling of 101121012312 in words is "one hundred one billion, one hundred twenty-one million, twelve thousand, three hundred twelve".