129765598265692 has 6 divisors (see below), whose sum is σ = 227089796964968. Its totient is φ = 64882799132844.

The previous prime is 129765598265669. The next prime is 129765598265701. The reversal of 129765598265692 is 296562895567921.

It is a super-2 number, since 2×129765598265692² (a number of 29 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 as a sum of consecutive naturals, namely, 16220699783208 + ... + 16220699783215.

Almost surely, 2^{129765598265692} is an apocalyptic number.

It is an amenable number.

129765598265692 is a deficient number, since it is larger than the sum of its proper divisors (97324198699276).

129765598265692 is a wasteful number, since it uses less digits than its factorization.

129765598265692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32441399566427 (or 32441399566425 counting only the distinct ones).

The product of its digits is 8817984000, while the sum is 82.

The spelling of 129765598265692 in words is "one hundred twenty-nine trillion, seven hundred sixty-five billion, five hundred ninety-eight million, two hundred sixty-five thousand, six hundred ninety-two".