137321310212 has 12 divisors (see below), whose sum is σ = 242645422656. Its totient is φ = 67994046600.

The previous prime is 137321310179. The next prime is 137321310221. The reversal of 137321310212 is 212013123731.

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, 166651664 + ... + 166652487.

It is an arithmetic number, because the mean of its divisors is an integer number (20220451888).

Almost surely, 2^137321310212 is an apocalyptic number.

It is an amenable number.

137321310212 is a deficient number, since it is larger than the sum of its proper divisors (105324112444).

137321310212 is a wasteful number, since it uses less digits than its factorization.

137321310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333304258 (or 333304256 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 137321310212 its reverse (212013123731), we get a palindrome (349334433943).

The spelling of 137321310212 in words is "one hundred thirty-seven billion, three hundred twenty-one million, three hundred ten thousand, two hundred twelve".