129341452912 has 40 divisors (see below), whose sum is σ = 292243820000. Its totient is φ = 55432048896.

The previous prime is 129341452901. The next prime is 129341452921. The reversal of 129341452912 is 219254143921.

129341452912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×129341452912² (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, 11778537 + ... + 11789512.

It is an arithmetic number, because the mean of its divisors is an integer number (7306095500).

Almost surely, 2^129341452912 is an apocalyptic number.

It is an amenable number.

129341452912 is an abundant number, since it is smaller than the sum of its proper divisors (162902367088).

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

129341452912 is an equidigital number, since it uses as much as digits as its factorization.

129341452912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568078 (or 23568058 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 129341452912 in words is "one hundred twenty-nine billion, three hundred forty-one million, four hundred fifty-two thousand, nine hundred twelve".