12001551354 has 32 divisors (see below), whose sum is σ = 28721663040. Its totient is φ = 3692784816.

The previous prime is 12001551311. The next prime is 12001551407. The reversal of 12001551354 is 45315510021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8547412 + ... + 8548815.

It is an arithmetic number, because the mean of its divisors is an integer number (897551970).

Almost surely, 2^12001551354 is an apocalyptic number.

12001551354 is an abundant number, since it is smaller than the sum of its proper divisors (16720111686).

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

12001551354 is a wasteful number, since it uses less digits than its factorization.

12001551354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17096251 (or 17096245 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 12001551354 in words is "twelve billion, one million, five hundred fifty-one thousand, three hundred fifty-four".