20122012121110 has 32 divisors (see below), whose sum is σ = 38702024428320. Its totient is φ = 7505847148032.

The previous prime is 20122012121039. The next prime is 20122012121111. The reversal of 20122012121110 is 1112121022102.

It is a super-2 number, since 2×20122012121110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122012121111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542939164 + ... + 542976223.

It is an arithmetic number, because the mean of its divisors is an integer number (1209438263385).

Almost surely, 2^{20122012121110} is an apocalyptic number.

20122012121110 is a deficient number, since it is larger than the sum of its proper divisors (18580012307210).

20122012121110 is a wasteful number, since it uses less digits than its factorization.

20122012121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085915520.

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

Adding to 20122012121110 its reverse (1112121022102), we get a palindrome (21234133143212).

The spelling of 20122012121110 in words is "twenty trillion, one hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one hundred ten".