210211221202012 has 24 divisors (see below), whose sum is σ = 368922029932512. Its totient is φ = 104804943513600.

The previous prime is 210211221201983. The next prime is 210211221202033. The reversal of 210211221202012 is 210202122112012.

It is a super-2 number, since 2×210211221202012² (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, 49118337 + ... + 53226247.

It is an arithmetic number, because the mean of its divisors is an integer number (15371751247188).

Almost surely, 2^{210211221202012} is an apocalyptic number.

It is an amenable number.

210211221202012 is a deficient number, since it is larger than the sum of its proper divisors (158710808730500).

210211221202012 is a wasteful number, since it uses less digits than its factorization.

210211221202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144509 (or 4144507 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210211221202012 its reverse (210202122112012), we get a palindrome (420413343314024).

The spelling of 210211221202012 in words is "two hundred ten trillion, two hundred eleven billion, two hundred twenty-one million, two hundred two thousand, twelve".