20010212021210 has 8 divisors (see below), whose sum is σ = 36018381638196. Its totient is φ = 8004084808480.

The previous prime is 20010212021203. The next prime is 20010212021251. The reversal of 20010212021210 is 1212021201002.

It can be written as a sum of positive squares in 2 ways, for example, as 19985575893529 + 24636127681 = 4470523^2 + 156959^2 .

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

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, 1000510601051 + ... + 1000510601070.

Almost surely, 2^{20010212021210} is an apocalyptic number.

20010212021210 is a deficient number, since it is larger than the sum of its proper divisors (16008169616986).

20010212021210 is a wasteful number, since it uses less digits than its factorization.

20010212021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001021202128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010212021210 its reverse (1212021201002), we get a palindrome (21222233222212).

The spelling of 20010212021210 in words is "twenty trillion, ten billion, two hundred twelve million, twenty-one thousand, two hundred ten".