129628219372 has 6 divisors (see below), whose sum is σ = 226849383908. Its totient is φ = 64814109684.

The previous prime is 129628219363. The next prime is 129628219373. The reversal of 129628219372 is 273912826921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129628219373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16203527418 + ... + 16203527425.

Almost surely, 2^129628219372 is an apocalyptic number.

It is an amenable number.

129628219372 is a deficient number, since it is larger than the sum of its proper divisors (97221164536).

129628219372 is a wasteful number, since it uses less digits than its factorization.

129628219372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32407054847 (or 32407054845 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The spelling of 129628219372 in words is "one hundred twenty-nine billion, six hundred twenty-eight million, two hundred nineteen thousand, three hundred seventy-two".