129938212944 has 60 divisors (see below), whose sum is σ = 367177117216. Its totient is φ = 42892220736.

The previous prime is 129938212897. The next prime is 129938212949. The reversal of 129938212944 is 449212839921.

It is a happy number.

129938212944 is a `hidden beast` number, since 12 + 99 + 382 + 129 + 44 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129938212949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4365502 + ... + 4395165.

Almost surely, 2^129938212944 is an apocalyptic number.

It is an amenable number.

129938212944 is an abundant number, since it is smaller than the sum of its proper divisors (237238904272).

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

129938212944 is a wasteful number, since it uses less digits than its factorization.

129938212944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760784 (or 8760775 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 129938212944 in words is "one hundred twenty-nine billion, nine hundred thirty-eight million, two hundred twelve thousand, nine hundred forty-four".