210420902512 has 80 divisors (see below), whose sum is σ = 420991804800. Its totient is φ = 101841592320.

The previous prime is 210420902507. The next prime is 210420902557. The reversal of 210420902512 is 215209024012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24437664 + ... + 24446272.

It is an arithmetic number, because the mean of its divisors is an integer number (5262397560).

Almost surely, 2^210420902512 is an apocalyptic number.

It is an amenable number.

210420902512 is an abundant number, since it is smaller than the sum of its proper divisors (210570902288).

210420902512 is a wasteful number, since it uses less digits than its factorization.

210420902512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074 (or 9068 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 210420902512 its reverse (215209024012), we get a palindrome (425629926524).

The spelling of 210420902512 in words is "two hundred ten billion, four hundred twenty million, nine hundred two thousand, five hundred twelve".