120012232311 has 16 divisors (see below), whose sum is σ = 178928364000. Its totient is φ = 79498545984.

The previous prime is 120012232303. The next prime is 120012232337. The reversal of 120012232311 is 113232210021.

120012232311 is a `hidden beast` number, since 1 + 200 + 122 + 32 + 311 = 666.

It is not a de Polignac number, because 120012232311 - 2³ = 120012232303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012222311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14151486 + ... + 14159963.

It is an arithmetic number, because the mean of its divisors is an integer number (11183022750).

Almost surely, 2^120012232311 is an apocalyptic number.

120012232311 is a deficient number, since it is larger than the sum of its proper divisors (58916131689).

120012232311 is a wasteful number, since it uses less digits than its factorization.

120012232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28311615 (or 28311609 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120012232311 its reverse (113232210021), we get a palindrome (233244442332).

The spelling of 120012232311 in words is "one hundred twenty billion, twelve million, two hundred thirty-two thousand, three hundred eleven".