1257962212031 has 8 divisors (see below), whose sum is σ = 1437706091520. Its totient is φ = 1078227080568.

The previous prime is 1257962212021. The next prime is 1257962212057. The reversal of 1257962212031 is 1302122697521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1257962212031 - 2³⁰ = 1256888470207 is a prime.

It is a super-2 number, since 2×1257962212031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1257962212031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1257962212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875911 + ... + 2456616.

It is an arithmetic number, because the mean of its divisors is an integer number (179713261440).

Almost surely, 2^{1257962212031} is an apocalyptic number.

1257962212031 is a deficient number, since it is larger than the sum of its proper divisors (179743879489).

1257962212031 is an equidigital number, since it uses as much as digits as its factorization.

1257962212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4374013.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 1257962212031 in words is "one trillion, two hundred fifty-seven billion, nine hundred sixty-two million, two hundred twelve thousand, thirty-one".