151321342120 has 32 divisors (see below), whose sum is σ = 366663253320. Its totient is φ = 55872495360.

The previous prime is 151321342099. The next prime is 151321342129. The reversal of 151321342120 is 21243123151.

It can be written as a sum of positive squares in 4 ways, for example, as 91807788004 + 59513554116 = 302998^2 + 243954^2 .

It is not an unprimeable number, because it can be changed into a prime (151321342129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145500771 + ... + 145501810.

Almost surely, 2^151321342120 is an apocalyptic number.

151321342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151321342120 is an abundant number, since it is smaller than the sum of its proper divisors (215341911200).

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

151321342120 is a wasteful number, since it uses less digits than its factorization.

151321342120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291002605 (or 291002601 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 151321342120 its reverse (21243123151), we get a palindrome (172564465271).

The spelling of 151321342120 in words is "one hundred fifty-one billion, three hundred twenty-one million, three hundred forty-two thousand, one hundred twenty".