12451015112 has 8 divisors (see below), whose sum is σ = 23345653350. Its totient is φ = 6225507552.

The previous prime is 12451015097. The next prime is 12451015117. The reversal of 12451015112 is 21151015421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9259443076 + 3191572036 = 96226^2 + 56494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12451015117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778188437 + ... + 778188452.

Almost surely, 2^12451015112 is an apocalyptic number.

It is an amenable number.

12451015112 is a deficient number, since it is larger than the sum of its proper divisors (10894638238).

12451015112 is a wasteful number, since it uses less digits than its factorization.

12451015112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556376895 (or 1556376891 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The spelling of 12451015112 in words is "twelve billion, four hundred fifty-one million, fifteen thousand, one hundred twelve".