213543240012004 has 24 divisors (see below), whose sum is σ = 434325233926080. Its totient is φ = 89967369883296.

The previous prime is 213543240011971. The next prime is 213543240012017. The reversal of 213543240012004 is 400210042345312.

It is a super-2 number, since 2×213543240012004² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64631729587 + ... + 64631732890.

It is an arithmetic number, because the mean of its divisors is an integer number (18096884746920).

Almost surely, 2^{213543240012004} is an apocalyptic number.

It is an amenable number.

213543240012004 is an abundant number, since it is smaller than the sum of its proper divisors (220781993914076).

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

213543240012004 is a wasteful number, since it uses less digits than its factorization.

213543240012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129263462547 (or 129263462545 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 213543240012004 its reverse (400210042345312), we get a palindrome (613753282357316).

The spelling of 213543240012004 in words is "two hundred thirteen trillion, five hundred forty-three billion, two hundred forty million, twelve thousand, four".