1252212819399 has 36 divisors (see below), whose sum is σ = 1820674903320. Its totient is φ = 829336078560.

The previous prime is 1252212819343. The next prime is 1252212819413. The reversal of 1252212819399 is 9939182122521.

1252212819399 is a `hidden beast` number, since 1 + 2 + 5 + 221 + 28 + 1 + 9 + 399 = 666.

It is not a de Polignac number, because 1252212819399 - 2²⁴ = 1252196042183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252212814399) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 242158084 + ... + 242163254.

It is an arithmetic number, because the mean of its divisors is an integer number (50574302870).

Almost surely, 2^{1252212819399} is an apocalyptic number.

1252212819399 is a deficient number, since it is larger than the sum of its proper divisors (568462083921).

1252212819399 is an equidigital number, since it uses as much as digits as its factorization.

1252212819399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092 (or 5826 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The spelling of 1252212819399 in words is "one trillion, two hundred fifty-two billion, two hundred twelve million, eight hundred nineteen thousand, three hundred ninety-nine".