120231231154 has 16 divisors (see below), whose sum is σ = 192329272800. Its totient is φ = 56172354624.

The previous prime is 120231231151. The next prime is 120231231157. The reversal of 120231231154 is 451132132021.

It is an interprime number because it is at equal distance from previous prime (120231231151) and next prime (120231231157).

It is not an unprimeable number, because it can be changed into a prime (120231231151) 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, 12715464 + ... + 12724915.

It is an arithmetic number, because the mean of its divisors is an integer number (12020579550).

Almost surely, 2^120231231154 is an apocalyptic number.

120231231154 is a deficient number, since it is larger than the sum of its proper divisors (72098041646).

120231231154 is a wasteful number, since it uses less digits than its factorization.

120231231154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25440537.

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

Adding to 120231231154 its reverse (451132132021), we get a palindrome (571363363175).

The spelling of 120231231154 in words is "one hundred twenty billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred fifty-four".