151232163122 has 4 divisors (see below), whose sum is σ = 226848244686. Its totient is φ = 75616081560.

The previous prime is 151232163119. The next prime is 151232163167. The reversal of 151232163122 is 221361232151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121355386321 + 29876776801 = 348361^2 + 172849^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37808040779 + ... + 37808040782.

Almost surely, 2^151232163122 is an apocalyptic number.

151232163122 is a deficient number, since it is larger than the sum of its proper divisors (75616081564).

151232163122 is an equidigital number, since it uses as much as digits as its factorization.

151232163122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75616081563.

The product of its digits is 4320, while the sum is 29.

Adding to 151232163122 its reverse (221361232151), we get a palindrome (372593395273).

The spelling of 151232163122 in words is "one hundred fifty-one billion, two hundred thirty-two million, one hundred sixty-three thousand, one hundred twenty-two".