1212253962213 has 48 divisors (see below), whose sum is σ = 1910759516160. Its totient is φ = 669666826080.

The previous prime is 1212253962197. The next prime is 1212253962221. The reversal of 1212253962213 is 3122693522121.

It is not a de Polignac number, because 1212253962213 - 2⁴ = 1212253962197 is a prime.

It is a super-2 number, since 2×1212253962213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212253962113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19483968 + ... + 19546086.

It is an arithmetic number, because the mean of its divisors is an integer number (39807489920).

Almost surely, 2^{1212253962213} is an apocalyptic number.

It is an amenable number.

1212253962213 is a deficient number, since it is larger than the sum of its proper divisors (698505553947).

1212253962213 is an equidigital number, since it uses as much as digits as its factorization.

1212253962213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63158 (or 63127 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The spelling of 1212253962213 in words is "one trillion, two hundred twelve billion, two hundred fifty-three million, nine hundred sixty-two thousand, two hundred thirteen".