125511205424012 has 12 divisors (see below), whose sum is σ = 227218561543680. Its totient is φ = 60591616411536.

The previous prime is 125511205423997. The next prime is 125511205424093. The reversal of 125511205424012 is 210424502115521.

It is a super-2 number, since 2×125511205424012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540996574988 + ... + 540996575219.

It is an arithmetic number, because the mean of its divisors is an integer number (18934880128640).

Almost surely, 2^{125511205424012} is an apocalyptic number.

It is an amenable number.

125511205424012 is a deficient number, since it is larger than the sum of its proper divisors (101707356119668).

125511205424012 is a wasteful number, since it uses less digits than its factorization.

125511205424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081993150240 (or 1081993150238 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 125511205424012 its reverse (210424502115521), we get a palindrome (335935707539533).

The spelling of 125511205424012 in words is "one hundred twenty-five trillion, five hundred eleven billion, two hundred five million, four hundred twenty-four thousand, twelve".