12046181378 has 24 divisors (see below), whose sum is σ = 22698592896. Its totient is φ = 4693316760.

The previous prime is 12046181333. The next prime is 12046181387. The reversal of 12046181378 is 87318164021.

It is a super-2 number, since 2×12046181378² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3553850 + ... + 3557237.

It is an arithmetic number, because the mean of its divisors is an integer number (945774704).

Almost surely, 2^12046181378 is an apocalyptic number.

12046181378 is a deficient number, since it is larger than the sum of its proper divisors (10652411518).

12046181378 is a wasteful number, since it uses less digits than its factorization.

12046181378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111118 (or 7111107 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 12046181378 in words is "twelve billion, forty-six million, one hundred eighty-one thousand, three hundred seventy-eight".