125012402403240 has 384 divisors, whose sum is σ = 425589578588160. Its totient is φ = 29324230848000.

The previous prime is 125012402403211. The next prime is 125012402403241. The reversal of 125012402403240 is 42304204210521.

It is a happy number.

It is a super-2 number, since 2×125012402403240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 125012402403198 and 125012402403207.

It is not an unprimeable number, because it can be changed into a prime (125012402403241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4081222725 + ... + 4081253355.

It is an arithmetic number, because the mean of its divisors is an integer number (1108306194240).

Almost surely, 2^{125012402403240} is an apocalyptic number.

125012402403240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125012402403240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212794789294080).

125012402403240 is an abundant number, since it is smaller than the sum of its proper divisors (300577176184920).

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

125012402403240 is a wasteful number, since it uses less digits than its factorization.

125012402403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39765 (or 39750 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 125012402403240 its reverse (42304204210521), we get a palindrome (167316606613761).

The spelling of 125012402403240 in words is "one hundred twenty-five trillion, twelve billion, four hundred two million, four hundred three thousand, two hundred forty".