521012342030 has 32 divisors (see below), whose sum is σ = 940886375040. Its totient is φ = 207724476960.

The previous prime is 521012342027. The next prime is 521012342089. The reversal of 521012342030 is 30243210125.

It is a junction number, because it is equal to n+sod(n) for n = 521012341987 and 521012342005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9449081 + ... + 9504059.

It is an arithmetic number, because the mean of its divisors is an integer number (29402699220).

Almost surely, 2^521012342030 is an apocalyptic number.

521012342030 is a deficient number, since it is larger than the sum of its proper divisors (419874033010).

521012342030 is a wasteful number, since it uses less digits than its factorization.

521012342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58064.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 521012342030 its reverse (30243210125), we get a palindrome (551255552155).

The spelling of 521012342030 in words is "five hundred twenty-one billion, twelve million, three hundred forty-two thousand, thirty".