212231032131120 has 80 divisors (see below), whose sum is σ = 659000081771520. Its totient is φ = 56501704726272.

The previous prime is 212231032131119. The next prime is 212231032131121. The reversal of 212231032131120 is 21131230132212.

It is an interprime number because it is at equal distance from previous prime (212231032131119) and next prime (212231032131121).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212231032131121) 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, 728269450 + ... + 728560809.

It is an arithmetic number, because the mean of its divisors is an integer number (8237501022144).

Almost surely, 2^{212231032131120} is an apocalyptic number.

212231032131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212231032131120 is an abundant number, since it is smaller than the sum of its proper divisors (446769049640400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212231032131120 is a wasteful number, since it uses less digits than its factorization.

212231032131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456830882 (or 1456830876 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 212231032131120 its reverse (21131230132212), we get a palindrome (233362262263332).

The spelling of 212231032131120 in words is "two hundred twelve trillion, two hundred thirty-one billion, thirty-two million, one hundred thirty-one thousand, one hundred twenty".