213124352230452 has 24 divisors (see below), whose sum is σ = 535543244066656. Its totient is φ = 65576723763168.

The previous prime is 213124352230441. The next prime is 213124352230453. The reversal of 213124352230452 is 254032253421312.

It is a super-2 number, since 2×213124352230452² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 213124352230452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213124352230453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683090872378 + ... + 683090872689.

Almost surely, 2^{213124352230452} is an apocalyptic number.

It is an amenable number.

213124352230452 is an abundant number, since it is smaller than the sum of its proper divisors (322418891836204).

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

213124352230452 is a wasteful number, since it uses less digits than its factorization.

213124352230452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366181745087 (or 1366181745085 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 213124352230452 in words is "two hundred thirteen trillion, one hundred twenty-four billion, three hundred fifty-two million, two hundred thirty thousand, four hundred fifty-two".