149221573312 has 28 divisors (see below), whose sum is σ = 338413211920. Its totient is φ = 63952102656.

The previous prime is 149221573289. The next prime is 149221573351. The reversal of 149221573312 is 213375122941.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166541487 + ... + 166542382.

It is an arithmetic number, because the mean of its divisors is an integer number (12086186140).

Almost surely, 2^149221573312 is an apocalyptic number.

It is an amenable number.

149221573312 is an abundant number, since it is smaller than the sum of its proper divisors (189191638608).

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

149221573312 is an equidigital number, since it uses as much as digits as its factorization.

149221573312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333083888 (or 333083878 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 149221573312 in words is "one hundred forty-nine billion, two hundred twenty-one million, five hundred seventy-three thousand, three hundred twelve".