125201656412 has 24 divisors (see below), whose sum is σ = 255127906656. Its totient is φ = 52645439808.

The previous prime is 125201656403. The next prime is 125201656421. The reversal of 125201656412 is 214656102521.

It is an interprime number because it is at equal distance from previous prime (125201656403) and next prime (125201656421).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42182363 + ... + 42185330.

It is an arithmetic number, because the mean of its divisors is an integer number (10630329444).

Almost surely, 2^125201656412 is an apocalyptic number.

It is an amenable number.

125201656412 is an abundant number, since it is smaller than the sum of its proper divisors (129926250244).

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

125201656412 is a wasteful number, since it uses less digits than its factorization.

125201656412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84367757 (or 84367755 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 125201656412 its reverse (214656102521), we get a palindrome (339857758933).

The spelling of 125201656412 in words is "one hundred twenty-five billion, two hundred one million, six hundred fifty-six thousand, four hundred twelve".