125550012 has 24 divisors (see below), whose sum is σ = 334800256. Its totient is φ = 35871408.

The previous prime is 125550011. The next prime is 125550013. The reversal of 125550012 is 210055521.

It is an interprime number because it is at equal distance from previous prime (125550011) and next prime (125550013).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550011) 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, 747238 + ... + 747405.

Almost surely, 2^125550012 is an apocalyptic number.

125550012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125550012 is an abundant number, since it is smaller than the sum of its proper divisors (209250244).

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

125550012 is a wasteful number, since it uses less digits than its factorization.

125550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494657 (or 1494655 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 125550012 is about 11204.9101736694. The cubic root of 125550012 is about 500.7322763525.

The spelling of 125550012 in words is "one hundred twenty-five million, five hundred fifty thousand, twelve".