307612720129 has 16 divisors (see below), whose sum is σ = 362903304960. Its totient is φ = 257056450560.

The previous prime is 307612720099. The next prime is 307612720141. The reversal of 307612720129 is 921027216703.

It is not a de Polignac number, because 307612720129 - 2¹⁷ = 307612589057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 307612720091 and 307612720100.

It is not an unprimeable number, because it can be changed into a prime (307612720159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4466112 + ... + 4534465.

It is an arithmetic number, because the mean of its divisors is an integer number (22681456560).

Almost surely, 2^307612720129 is an apocalyptic number.

It is an amenable number.

307612720129 is a deficient number, since it is larger than the sum of its proper divisors (55290584831).

307612720129 is a wasteful number, since it uses less digits than its factorization.

307612720129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000840.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 307612720129 in words is "three hundred seven billion, six hundred twelve million, seven hundred twenty thousand, one hundred twenty-nine".