210021211010012 has 24 divisors (see below), whose sum is σ = 368632806041136. Its totient is φ = 104697560717568.

The previous prime is 210021211009969. The next prime is 210021211010041. The reversal of 210021211010012 is 210010112120012.

It is a super-2 number, since 2×210021211010012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100501178 + ... + 102569630.

It is an arithmetic number, because the mean of its divisors is an integer number (15359700251714).

Almost surely, 2^{210021211010012} is an apocalyptic number.

It is an amenable number.

210021211010012 is a deficient number, since it is larger than the sum of its proper divisors (158611595031124).

210021211010012 is a wasteful number, since it uses less digits than its factorization.

210021211010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144117 (or 2144115 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210021211010012 its reverse (210010112120012), we get a palindrome (420031323130024).

The spelling of 210021211010012 in words is "two hundred ten trillion, twenty-one billion, two hundred eleven million, ten thousand, twelve".