1252418226044 has 12 divisors (see below), whose sum is σ = 2192710800000. Its totient is φ = 625929426048.

The previous prime is 1252418226043. The next prime is 1252418226089. The reversal of 1252418226044 is 4406228142521.

It is a junction number, because it is equal to n+sod(n) for n = 1252418225992 and 1252418226010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252418226043) 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, 69911669 + ... + 69929580.

It is an arithmetic number, because the mean of its divisors is an integer number (182725900000).

Almost surely, 2^{1252418226044} is an apocalyptic number.

It is an amenable number.

1252418226044 is a deficient number, since it is larger than the sum of its proper divisors (940292573956).

1252418226044 is a wasteful number, since it uses less digits than its factorization.

1252418226044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139843492 (or 139843490 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 1252418226044 in words is "one trillion, two hundred fifty-two billion, four hundred eighteen million, two hundred twenty-six thousand, forty-four".