12153554140 has 48 divisors (see below), whose sum is σ = 31412267712. Its totient is φ = 3846398976.

The previous prime is 12153554087. The next prime is 12153554197. The reversal of 12153554140 is 4145535121.

It is a super-2 number, since 2×12153554140² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3337069 + ... + 3340708.

It is an arithmetic number, because the mean of its divisors is an integer number (654422244).

Almost surely, 2^12153554140 is an apocalyptic number.

12153554140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12153554140 is an abundant number, since it is smaller than the sum of its proper divisors (19258713572).

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

12153554140 is a wasteful number, since it uses less digits than its factorization.

12153554140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677806 (or 6677804 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12153554140 in words is "twelve billion, one hundred fifty-three million, five hundred fifty-four thousand, one hundred forty".