125123241412 has 24 divisors (see below), whose sum is σ = 235847064600. Its totient is φ = 57739911936.

The previous prime is 125123241409. The next prime is 125123241431. The reversal of 125123241412 is 214142321521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5030497476 + 120092743936 = 70926^2 + 346544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139014 + ... + 519202.

It is an arithmetic number, because the mean of its divisors is an integer number (9826961025).

Almost surely, 2^125123241412 is an apocalyptic number.

It is an amenable number.

125123241412 is a deficient number, since it is larger than the sum of its proper divisors (110723823188).

125123241412 is a wasteful number, since it uses less digits than its factorization.

125123241412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386535 (or 386533 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 125123241412 its reverse (214142321521), we get a palindrome (339265562933).

The spelling of 125123241412 in words is "one hundred twenty-five billion, one hundred twenty-three million, two hundred forty-one thousand, four hundred twelve".