20120212012131 has 48 divisors (see below), whose sum is σ = 36238769618688. Its totient is φ = 10450625140800.

The previous prime is 20120212012129. The next prime is 20120212012157. The reversal of 20120212012131 is 13121021202102.

20120212012131 is a `hidden beast` number, since 201 + 202 + 120 + 12 + 131 = 666.

It is not a de Polignac number, because 20120212012131 - 2¹ = 20120212012129 is a prime.

It is a super-2 number, since 2×20120212012131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20120212012231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3077061 + ... + 7050441.

It is an arithmetic number, because the mean of its divisors is an integer number (754974367056).

Almost surely, 2^{20120212012131} is an apocalyptic number.

20120212012131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20120212012131 is a deficient number, since it is larger than the sum of its proper divisors (16118557606557).

20120212012131 is a wasteful number, since it uses less digits than its factorization.

20120212012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980712 (or 3980709 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20120212012131 its reverse (13121021202102), we get a palindrome (33241233214233).

The spelling of 20120212012131 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, twelve thousand, one hundred thirty-one".