149827907122 has 4 divisors (see below), whose sum is σ = 224741860686. Its totient is φ = 74913953560.

The previous prime is 149827907111. The next prime is 149827907149. The reversal of 149827907122 is 221709728941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221709728941 = 196387 ⋅1128943.

It can be written as a sum of positive squares in only one way, i.e., 139621048281 + 10206858841 = 373659^2 + 101029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 149827907122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37456976779 + ... + 37456976782.

Almost surely, 2^149827907122 is an apocalyptic number.

149827907122 is a deficient number, since it is larger than the sum of its proper divisors (74913953564).

149827907122 is an equidigital number, since it uses as much as digits as its factorization.

149827907122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74913953563.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 149827907122 in words is "one hundred forty-nine billion, eight hundred twenty-seven million, nine hundred seven thousand, one hundred twenty-two".