201220012001210 has 32 divisors (see below), whose sum is σ = 374705053660800. Its totient is φ = 77708508996160.

The previous prime is 201220012001171. The next prime is 201220012001243. The reversal of 201220012001210 is 12100210022102.

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, 12487790 + ... + 23630169.

It is an arithmetic number, because the mean of its divisors is an integer number (11709532926900).

Almost surely, 2^{201220012001210} is an apocalyptic number.

201220012001210 is a deficient number, since it is larger than the sum of its proper divisors (173485041659590).

201220012001210 is a wasteful number, since it uses less digits than its factorization.

201220012001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36137206.

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

Adding to 201220012001210 its reverse (12100210022102), we get a palindrome (213320222023312).

The spelling of 201220012001210 in words is "two hundred one trillion, two hundred twenty billion, twelve million, one thousand, two hundred ten".