150400321512 has 128 divisors (see below), whose sum is σ = 456082099200. Its totient is φ = 40346938368.

The previous prime is 150400321447. The next prime is 150400321531. The reversal of 150400321512 is 215123004051.

It is a happy number.

It is a super-2 number, since 2×150400321512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 in 31 ways as a sum of consecutive naturals, for example, 1133823 + ... + 1259505.

It is an arithmetic number, because the mean of its divisors is an integer number (3563141400).

Almost surely, 2^150400321512 is an apocalyptic number.

150400321512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150400321512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228041049600).

150400321512 is an abundant number, since it is smaller than the sum of its proper divisors (305681777688).

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

150400321512 is a wasteful number, since it uses less digits than its factorization.

150400321512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126135 (or 126131 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 150400321512 its reverse (215123004051), we get a palindrome (365523325563).

The spelling of 150400321512 in words is "one hundred fifty billion, four hundred million, three hundred twenty-one thousand, five hundred twelve".