30512634136452 has 72 divisors (see below), whose sum is σ = 87948180769176. Its totient is φ = 8836237937664.

The previous prime is 30512634136429. The next prime is 30512634136471. The reversal of 30512634136452 is 25463143621503.

30512634136452 is a `hidden beast` number, since 3 + 0 + 5 + 1 + 2 + 63 + 4 + 136 + 452 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 342814934016 + 30169819202436 = 585504^2 + 5492706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30512634136398 and 30512634136407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1917578403 + ... + 1917594314.

It is an arithmetic number, because the mean of its divisors is an integer number (1221502510683).

Almost surely, 2^{30512634136452} is an apocalyptic number.

It is an amenable number.

30512634136452 is an abundant number, since it is smaller than the sum of its proper divisors (57435546632724).

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

30512634136452 is a wasteful number, since it uses less digits than its factorization.

30512634136452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835172757 (or 3835172752 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

Adding to 30512634136452 its reverse (25463143621503), we get a palindrome (55975777757955).

The spelling of 30512634136452 in words is "thirty trillion, five hundred twelve billion, six hundred thirty-four million, one hundred thirty-six thousand, four hundred fifty-two".