99012030124272 has 40 divisors (see below), whose sum is σ = 256080938510544. Its totient is φ = 32965318339584.

The previous prime is 99012030124247. The next prime is 99012030124283. The reversal of 99012030124272 is 27242103021099.

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, 1209074313 + ... + 1209156200.

Almost surely, 2^{99012030124272} is an apocalyptic number.

It is an amenable number.

99012030124272 is an abundant number, since it is smaller than the sum of its proper divisors (157068908386272).

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

99012030124272 is a wasteful number, since it uses less digits than its factorization.

99012030124272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418231377 (or 2418231371 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 99012030124272 in words is "ninety-nine trillion, twelve billion, thirty million, one hundred twenty-four thousand, two hundred seventy-two".