202102012012 has 12 divisors (see below), whose sum is σ = 355511053576. Its totient is φ = 100527425280.

The previous prime is 202102012003. The next prime is 202102012027. The reversal of 202102012012 is 210210201202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202102011983 and 202102012001.

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, 130894314 + ... + 130895857.

Almost surely, 2^202102012012 is an apocalyptic number.

It is an amenable number.

202102012012 is a deficient number, since it is larger than the sum of its proper divisors (153409041564).

202102012012 is a wasteful number, since it uses less digits than its factorization.

202102012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261790368 (or 261790366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202102012012 its reverse (210210201202), we get a palindrome (412312213214).

The spelling of 202102012012 in words is "two hundred two billion, one hundred two million, twelve thousand, twelve".