351513122612 has 12 divisors (see below), whose sum is σ = 641893528416. Its totient is φ = 168114971640.

The previous prime is 351513122579. The next prime is 351513122633. The reversal of 351513122612 is 216221315153.

It is a super-2 number, since 2×351513122612² (a number of 24 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, 1910397314 + ... + 1910397497.

It is an arithmetic number, because the mean of its divisors is an integer number (53491127368).

Almost surely, 2^351513122612 is an apocalyptic number.

It is an amenable number.

351513122612 is a deficient number, since it is larger than the sum of its proper divisors (290380405804).

351513122612 is a wasteful number, since it uses less digits than its factorization.

351513122612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820794838 (or 3820794836 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

Adding to 351513122612 its reverse (216221315153), we get a palindrome (567734437765).

The spelling of 351513122612 in words is "three hundred fifty-one billion, five hundred thirteen million, one hundred twenty-two thousand, six hundred twelve".