1212837648493 has 16 divisors (see below), whose sum is σ = 1279051099200. Its totient is φ = 1146862972800.

The previous prime is 1212837648481. The next prime is 1212837648511. The reversal of 1212837648493 is 3948467382121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212837648493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212837648443) 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 15 ways as a sum of consecutive naturals, for example, 92133330 + ... + 92146492.

It is an arithmetic number, because the mean of its divisors is an integer number (79940693700).

Almost surely, 2^{1212837648493} is an apocalyptic number.

It is an amenable number.

1212837648493 is a deficient number, since it is larger than the sum of its proper divisors (66213450707).

1212837648493 is a wasteful number, since it uses less digits than its factorization.

1212837648493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21852.

The product of its digits is 13934592, while the sum is 58.

The spelling of 1212837648493 in words is "one trillion, two hundred twelve billion, eight hundred thirty-seven million, six hundred forty-eight thousand, four hundred ninety-three".