125011421412 has 48 divisors (see below), whose sum is σ = 292968746112. Its totient is φ = 41488634880.

The previous prime is 125011421411. The next prime is 125011421413. The reversal of 125011421412 is 214124110521.

It is an interprime number because it is at equal distance from previous prime (125011421411) and next prime (125011421413).

It is not an unprimeable number, because it can be changed into a prime (125011421411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2777673 + ... + 2822319.

It is an arithmetic number, because the mean of its divisors is an integer number (6103515544).

Almost surely, 2^125011421412 is an apocalyptic number.

125011421412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125011421412 is an abundant number, since it is smaller than the sum of its proper divisors (167957324700).

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

125011421412 is a wasteful number, since it uses less digits than its factorization.

125011421412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45668 (or 45666 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 125011421412 its reverse (214124110521), we get a palindrome (339135531933).

The spelling of 125011421412 in words is "one hundred twenty-five billion, eleven million, four hundred twenty-one thousand, four hundred twelve".