12151103681 has 8 divisors (see below), whose sum is σ = 12506640000. Its totient is φ = 11800610640.

The previous prime is 12151103639. The next prime is 12151103693. The reversal of 12151103681 is 18630115121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12151103681 - 2¹⁸ = 12150841537 is a prime.

It is a super-2 number, since 2×12151103681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12151103381) 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, 1255931 + ... + 1265568.

It is an arithmetic number, because the mean of its divisors is an integer number (1563330000).

Almost surely, 2^12151103681 is an apocalyptic number.

It is an amenable number.

12151103681 is a deficient number, since it is larger than the sum of its proper divisors (355536319).

12151103681 is an equidigital number, since it uses as much as digits as its factorization.

12151103681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521639.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 12151103681 in words is "twelve billion, one hundred fifty-one million, one hundred three thousand, six hundred eighty-one".