101210120112012 has 96 divisors (see below), whose sum is σ = 256373033548800. Its totient is φ = 30967162555392.

The previous prime is 101210120112011. The next prime is 101210120112083. The reversal of 101210120112012 is 210211021012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101210120111982 and 101210120112000.

It is not an unprimeable number, because it can be changed into a prime (101210120112011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23082973 + ... + 27115380.

It is an arithmetic number, because the mean of its divisors is an integer number (2670552432800).

Almost surely, 2^{101210120112012} is an apocalyptic number.

101210120112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101210120112012 is an abundant number, since it is smaller than the sum of its proper divisors (155162913436788).

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

101210120112012 is a wasteful number, since it uses less digits than its factorization.

101210120112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50198655 (or 50198653 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101210120112012 its reverse (210211021012101), we get a palindrome (311421141124113).

The spelling of 101210120112012 in words is "one hundred one trillion, two hundred ten billion, one hundred twenty million, one hundred twelve thousand, twelve".