3012210100021 has 8 divisors (see below), whose sum is σ = 3189713679360. Its totient is φ = 2834741492928.

The previous prime is 3012210099991. The next prime is 3012210100061. The reversal of 3012210100021 is 1200010122103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3012210100021 - 2⁵ = 3012210099989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012210099974 and 3012210100010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012210100061) 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, 8565621 + ... + 8910346.

It is an arithmetic number, because the mean of its divisors is an integer number (398714209920).

Almost surely, 2^{3012210100021} is an apocalyptic number.

It is an amenable number.

3012210100021 is a deficient number, since it is larger than the sum of its proper divisors (177503579339).

3012210100021 is a wasteful number, since it uses less digits than its factorization.

3012210100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486123.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 3012210100021 its reverse (1200010122103), we get a palindrome (4212220222124).

The spelling of 3012210100021 in words is "three trillion, twelve billion, two hundred ten million, one hundred thousand, twenty-one".