30122057652 has 12 divisors (see below), whose sum is σ = 70284801216. Its totient is φ = 10040685880.

The previous prime is 30122057639. The next prime is 30122057657. The reversal of 30122057652 is 25675022103.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122057657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255085724 + ... + 1255085747.

It is an arithmetic number, because the mean of its divisors is an integer number (5857066768).

Almost surely, 2^30122057652 is an apocalyptic number.

It is an amenable number.

30122057652 is an abundant number, since it is smaller than the sum of its proper divisors (40162743564).

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

30122057652 is a wasteful number, since it uses less digits than its factorization.

30122057652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510171478 (or 2510171476 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 30122057652 its reverse (25675022103), we get a palindrome (55797079755).

The spelling of 30122057652 in words is "thirty billion, one hundred twenty-two million, fifty-seven thousand, six hundred fifty-two".