12402125544 has 32 divisors (see below), whose sum is σ = 31162713120. Its totient is φ = 4113055296.

The previous prime is 12402125539. The next prime is 12402125627. The reversal of 12402125544 is 44552120421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306834 + ... + 1316289.

It is an arithmetic number, because the mean of its divisors is an integer number (973834785).

Almost surely, 2^12402125544 is an apocalyptic number.

It is an amenable number.

12402125544 is an abundant number, since it is smaller than the sum of its proper divisors (18760587576).

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

12402125544 is a wasteful number, since it uses less digits than its factorization.

12402125544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623329 (or 2623325 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 12402125544 its reverse (44552120421), we get a palindrome (56954245965).

The spelling of 12402125544 in words is "twelve billion, four hundred two million, one hundred twenty-five thousand, five hundred forty-four".