20112121001210 has 32 divisors (see below), whose sum is σ = 41378840876160. Its totient is φ = 6894695207232.

The previous prime is 20112121001201. The next prime is 20112121001221. The reversal of 20112121001210 is 1210012121102.

It is a super-2 number, since 2×20112121001210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 17976800 + ... + 19062779.

It is an arithmetic number, because the mean of its divisors is an integer number (1293088777380).

Almost surely, 2^{20112121001210} is an apocalyptic number.

20112121001210 is an abundant number, since it is smaller than the sum of its proper divisors (21266719874950).

20112121001210 is a wasteful number, since it uses less digits than its factorization.

20112121001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37047350.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112121001210 its reverse (1210012121102), we get a palindrome (21322133122312).

The spelling of 20112121001210 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-one million, one thousand, two hundred ten".