521315201232332 has 12 divisors (see below), whose sum is σ = 982478648476416. Its totient is φ = 240607015953360.

The previous prime is 521315201232311. The next prime is 521315201232401. The reversal of 521315201232332 is 233232102513125.

It is a happy number.

It is a super-2 number, since 2×521315201232332² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521315201232292 and 521315201232301.

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, 5012646165644 + ... + 5012646165747.

It is an arithmetic number, because the mean of its divisors is an integer number (81873220706368).

Almost surely, 2^{521315201232332} is an apocalyptic number.

521315201232332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

521315201232332 is a deficient number, since it is larger than the sum of its proper divisors (461163447244084).

521315201232332 is a wasteful number, since it uses less digits than its factorization.

521315201232332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025292331408 (or 10025292331406 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 521315201232332 its reverse (233232102513125), we get a palindrome (754547303745457).

The spelling of 521315201232332 in words is "five hundred twenty-one trillion, three hundred fifteen billion, two hundred one million, two hundred thirty-two thousand, three hundred thirty-two".