1012020011212 has 24 divisors (see below), whose sum is σ = 2026481612960. Its totient is φ = 433199664000.

The previous prime is 1012020011183. The next prime is 1012020011213. The reversal of 1012020011212 is 2121100202101.

1012020011212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012020011192 and 1012020011201.

It is not an unprimeable number, because it can be changed into a prime (1012020011213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776289 + ... + 21822712.

Almost surely, 2^{1012020011212} is an apocalyptic number.

It is an amenable number.

1012020011212 is an abundant number, since it is smaller than the sum of its proper divisors (1014461601748).

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

1012020011212 is a wasteful number, since it uses less digits than its factorization.

1012020011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43599841 (or 43599839 counting only the distinct ones).

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

Adding to 1012020011212 its reverse (2121100202101), we get a palindrome (3133120213313).

The spelling of 1012020011212 in words is "one trillion, twelve billion, twenty million, eleven thousand, two hundred twelve".