1252342970138 has 32 divisors (see below), whose sum is σ = 2141799408000. Its totient is φ = 544417903296.

The previous prime is 1252342970111. The next prime is 1252342970161. The reversal of 1252342970138 is 8310792432521.

It is a super-3 number, since 3×1252342970138³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252342970092 and 1252342970101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7241438 + ... + 7412361.

It is an arithmetic number, because the mean of its divisors is an integer number (66931231500).

Almost surely, 2^{1252342970138} is an apocalyptic number.

1252342970138 is a deficient number, since it is larger than the sum of its proper divisors (889456437862).

1252342970138 is a wasteful number, since it uses less digits than its factorization.

1252342970138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654006.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1252342970138 in words is "one trillion, two hundred fifty-two billion, three hundred forty-two million, nine hundred seventy thousand, one hundred thirty-eight".