2162313531200 has 84 divisors (see below), whose sum is σ = 5633621787852. Its totient is φ = 814047436800.

The previous prime is 2162313531199. The next prime is 2162313531223. The reversal of 2162313531200 is 21353132612.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 150432276736 + 2011881254464 = 387856^2 + 1418408^2 .

It is a super-2 number, since 2×2162313531200² (a number of 25 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 11 ways as a sum of consecutive naturals, for example, 39721211 + ... + 39775610.

Almost surely, 2^{2162313531200} is an apocalyptic number.

2162313531200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2162313531200 is an abundant number, since it is smaller than the sum of its proper divisors (3471308256652).

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

2162313531200 is a wasteful number, since it uses less digits than its factorization.

2162313531200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79496860 (or 79496845 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 2162313531200 its reverse (21353132612), we get a palindrome (2183666663812).

The spelling of 2162313531200 in words is "two trillion, one hundred sixty-two billion, three hundred thirteen million, five hundred thirty-one thousand, two hundred".