202021012120012 has 12 divisors (see below), whose sum is σ = 374333051869560. Its totient is φ = 95068711585856.

The previous prime is 202021012120009. The next prime is 202021012120049. The reversal of 202021012120012 is 210021210120202.

It is a happy 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, 1485448618462 + ... + 1485448618597.

It is an arithmetic number, because the mean of its divisors is an integer number (31194420989130).

Almost surely, 2^{202021012120012} is an apocalyptic number.

It is an amenable number.

202021012120012 is a deficient number, since it is larger than the sum of its proper divisors (172312039749548).

202021012120012 is a wasteful number, since it uses less digits than its factorization.

202021012120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970897237080 (or 2970897237078 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202021012120012 its reverse (210021210120202), we get a palindrome (412042222240214).

The spelling of 202021012120012 in words is "two hundred two trillion, twenty-one billion, twelve million, one hundred twenty thousand, twelve".