129237052443792 has 40 divisors (see below), whose sum is σ = 333925343404224. Its totient is φ = 43070893878144.

The previous prime is 129237052443791. The next prime is 129237052443803. The reversal of 129237052443792 is 297344250732921.

It is not an unprimeable number, because it can be changed into a prime (129237052443791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253605403 + ... + 254114490.

Almost surely, 2^{129237052443792} is an apocalyptic number.

129237052443792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129237052443792 is an abundant number, since it is smaller than the sum of its proper divisors (204688290960432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129237052443792 is a wasteful number, since it uses less digits than its factorization.

129237052443792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507725207 (or 507725201 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 129237052443792 in words is "one hundred twenty-nine trillion, two hundred thirty-seven billion, fifty-two million, four hundred forty-three thousand, seven hundred ninety-two".