20012211212110 has 32 divisors (see below), whose sum is σ = 41074837134912. Its totient is φ = 6954469777920.

The previous prime is 20012211212101. The next prime is 20012211212141. The reversal of 20012211212110 is 1121211221002.

It is a congruent number.

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, 4527647386 + ... + 4527651805.

It is an arithmetic number, because the mean of its divisors is an integer number (1283588660466).

Almost surely, 2^{20012211212110} is an apocalyptic number.

20012211212110 is an abundant number, since it is smaller than the sum of its proper divisors (21062625922802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012211212110 is a wasteful number, since it uses less digits than its factorization.

20012211212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055299228.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20012211212110 its reverse (1121211221002), we get a palindrome (21133422433112).

The spelling of 20012211212110 in words is "twenty trillion, twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred ten".