2021212010012 has 24 divisors (see below), whose sum is σ = 3974824958496. Its totient is φ = 892307642688.

The previous prime is 2021212009981. The next prime is 2021212010017. The reversal of 2021212010012 is 2100102121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021212010017) 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, 844987103 + ... + 844989494.

It is an arithmetic number, because the mean of its divisors is an integer number (165617706604).

Almost surely, 2^{2021212010012} is an apocalyptic number.

It is an amenable number.

2021212010012 is a deficient number, since it is larger than the sum of its proper divisors (1953612948484).

2021212010012 is a wasteful number, since it uses less digits than its factorization.

2021212010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689976637 (or 1689976635 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021212010012 its reverse (2100102121202), we get a palindrome (4121314131214).

The spelling of 2021212010012 in words is "two trillion, twenty-one billion, two hundred twelve million, ten thousand, twelve".