129801901480 has 16 divisors (see below), whose sum is σ = 292054278420. Its totient is φ = 51920760576.

The previous prime is 129801901477. The next prime is 129801901487. The reversal of 129801901480 is 84109108921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123441200964 + 6360700516 = 351342^2 + 79754^2 .

It is not an unprimeable number, because it can be changed into a prime (129801901487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1622523729 + ... + 1622523808.

Almost surely, 2^129801901480 is an apocalyptic number.

129801901480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129801901480 is an abundant number, since it is smaller than the sum of its proper divisors (162252376940).

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

129801901480 is a wasteful number, since it uses less digits than its factorization.

129801901480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245047548 (or 3245047544 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 129801901480 in words is "one hundred twenty-nine billion, eight hundred one million, nine hundred one thousand, four hundred eighty".