129935604472 has 32 divisors (see below), whose sum is σ = 252680256000. Its totient is φ = 62574069600.

The previous prime is 129935604439. The next prime is 129935604509. The reversal of 129935604472 is 274406539921.

It is a super-2 number, since 2×129935604472² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 1189222 + ... + 1293877.

It is an arithmetic number, because the mean of its divisors is an integer number (7896258000).

Almost surely, 2^129935604472 is an apocalyptic number.

It is an amenable number.

129935604472 is a deficient number, since it is larger than the sum of its proper divisors (122744651528).

129935604472 is a wasteful number, since it uses less digits than its factorization.

129935604472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483347 (or 2483343 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 129935604472 in words is "one hundred twenty-nine billion, nine hundred thirty-five million, six hundred four thousand, four hundred seventy-two".