20201212131110 has 32 divisors (see below), whose sum is σ = 37050519562560. Its totient is φ = 7927539504768.

The previous prime is 20201212131103. The next prime is 20201212131157. The reversal of 20201212131110 is 1113121210202.

It is a happy number.

It is a super-2 number, since 2×20201212131110² (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 7601384 + ... + 9908756.

It is an arithmetic number, because the mean of its divisors is an integer number (1157828736330).

Almost surely, 2^{20201212131110} is an apocalyptic number.

20201212131110 is a deficient number, since it is larger than the sum of its proper divisors (16849307431450).

20201212131110 is a wasteful number, since it uses less digits than its factorization.

20201212131110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323952.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20201212131110 its reverse (1113121210202), we get a palindrome (21314333341312).

The spelling of 20201212131110 in words is "twenty trillion, two hundred one billion, two hundred twelve million, one hundred thirty-one thousand, one hundred ten".