1252632126412 has 54 divisors (see below), whose sum is σ = 2282091375564. Its totient is φ = 601291766880.

The previous prime is 1252632126391. The next prime is 1252632126443. The reversal of 1252632126412 is 2146212362521.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 895376089 + ... + 895377487.

Almost surely, 2^{1252632126412} is an apocalyptic number.

It is an amenable number.

1252632126412 is a deficient number, since it is larger than the sum of its proper divisors (1029459249152).

1252632126412 is an frugal number, since it uses more digits than its factorization.

1252632126412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 1505 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

Adding to 1252632126412 its reverse (2146212362521), we get a palindrome (3398844488933).

The spelling of 1252632126412 in words is "one trillion, two hundred fifty-two billion, six hundred thirty-two million, one hundred twenty-six thousand, four hundred twelve".