101212020010120 has 32 divisors (see below), whose sum is σ = 228730247884800. Its totient is φ = 40306460828608.

The previous prime is 101212020010117. The next prime is 101212020010133. The reversal of 101212020010120 is 21010020212101.

It is a self number, because there is not a number n which added to its sum of digits gives 101212020010120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5573340040 + ... + 5573358199.

It is an arithmetic number, because the mean of its divisors is an integer number (7147820246400).

Almost surely, 2^{101212020010120} is an apocalyptic number.

101212020010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212020010120 is an abundant number, since it is smaller than the sum of its proper divisors (127518227874680).

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

101212020010120 is a wasteful number, since it uses less digits than its factorization.

101212020010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146698477 (or 11146698473 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101212020010120 its reverse (21010020212101), we get a palindrome (122222040222221).

The spelling of 101212020010120 in words is "one hundred one trillion, two hundred twelve billion, twenty million, ten thousand, one hundred twenty".