125211226040 has 16 divisors (see below), whose sum is σ = 281725258680. Its totient is φ = 50084490400.

The previous prime is 125211226031. The next prime is 125211226043. The reversal of 125211226040 is 40622112521.

It is a super-2 number, since 2×125211226040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211226043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565140286 + ... + 1565140365.

Almost surely, 2^125211226040 is an apocalyptic number.

125211226040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125211226040 is an abundant number, since it is smaller than the sum of its proper divisors (156514032640).

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

125211226040 is a wasteful number, since it uses less digits than its factorization.

125211226040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130280662 (or 3130280658 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 125211226040 its reverse (40622112521), we get a palindrome (165833338561).

The spelling of 125211226040 in words is "one hundred twenty-five billion, two hundred eleven million, two hundred twenty-six thousand, forty".