1252122345104 has 20 divisors (see below), whose sum is σ = 2426006926140. Its totient is φ = 626056041600.

The previous prime is 1252122345079. The next prime is 1252122345107. The reversal of 1252122345104 is 4015432212521.

It can be written as a sum of positive squares in 2 ways, for example, as 1018686490000 + 233435855104 = 1009300^2 + 483152^2 .

It is not an unprimeable number, because it can be changed into a prime (1252122345107) 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, 2383682 + ... + 2861150.

It is an arithmetic number, because the mean of its divisors is an integer number (121300346307).

Almost surely, 2^{1252122345104} is an apocalyptic number.

It is an amenable number.

1252122345104 is a deficient number, since it is larger than the sum of its proper divisors (1173884581036).

1252122345104 is a wasteful number, since it uses less digits than its factorization.

1252122345104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641378 (or 641372 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1252122345104 its reverse (4015432212521), we get a palindrome (5267554557625).

The spelling of 1252122345104 in words is "one trillion, two hundred fifty-two billion, one hundred twenty-two million, three hundred forty-five thousand, one hundred four".