125313051212 has 24 divisors (see below), whose sum is σ = 231001570800. Its totient is φ = 59317223616.

The previous prime is 125313051211. The next prime is 125313051217. The reversal of 125313051212 is 212150313521.

It is a super-2 number, since 2×125313051212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125313051211) 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, 468323 + ... + 685530.

It is an arithmetic number, because the mean of its divisors is an integer number (9625065450).

Almost surely, 2^125313051212 is an apocalyptic number.

It is an amenable number.

125313051212 is a deficient number, since it is larger than the sum of its proper divisors (105688519588).

125313051212 is a wasteful number, since it uses less digits than its factorization.

125313051212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155305 (or 1155303 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 125313051212 its reverse (212150313521), we get a palindrome (337463364733).

The spelling of 125313051212 in words is "one hundred twenty-five billion, three hundred thirteen million, fifty-one thousand, two hundred twelve".