213025252124 has 12 divisors (see below), whose sum is σ = 372799995624. Its totient is φ = 106510967664.

The previous prime is 213025252007. The next prime is 213025252183. The reversal of 213025252124 is 421252520312.

It is a happy number.

It is a super-2 number, since 2×213025252124² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 98867 + ... + 660170.

It is an arithmetic number, because the mean of its divisors is an integer number (31066666302).

Almost surely, 2^213025252124 is an apocalyptic number.

It is an amenable number.

213025252124 is a deficient number, since it is larger than the sum of its proper divisors (159774743500).

213025252124 is a wasteful number, since it uses less digits than its factorization.

213025252124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829204 (or 829202 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 213025252124 its reverse (421252520312), we get a palindrome (634277772436).

The spelling of 213025252124 in words is "two hundred thirteen billion, twenty-five million, two hundred fifty-two thousand, one hundred twenty-four".