212020213131 has 48 divisors (see below), whose sum is σ = 332366100768. Its totient is φ = 129748608000.

The previous prime is 212020213129. The next prime is 212020213177. The reversal of 212020213131 is 131312020212.

It is not a de Polignac number, because 212020213131 - 2¹ = 212020213129 is a prime.

It is a super-2 number, since 2×212020213131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212020213631) 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, 932961 + ... + 1137741.

It is an arithmetic number, because the mean of its divisors is an integer number (6924293766).

Almost surely, 2^212020213131 is an apocalyptic number.

212020213131 is a deficient number, since it is larger than the sum of its proper divisors (120345887637).

212020213131 is a wasteful number, since it uses less digits than its factorization.

212020213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204972 (or 204969 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212020213131 its reverse (131312020212), we get a palindrome (343332233343).

The spelling of 212020213131 in words is "two hundred twelve billion, twenty million, two hundred thirteen thousand, one hundred thirty-one".