1213213637967 has 8 divisors (see below), whose sum is σ = 1618980967296. Its totient is φ = 808127700312.

The previous prime is 1213213637891. The next prime is 1213213637983. The reversal of 1213213637967 is 7697363123121.

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

It is not a de Polignac number, because 1213213637967 - 2⁸ = 1213213637711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213213637267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170343763 + ... + 170350884.

It is an arithmetic number, because the mean of its divisors is an integer number (202372620912).

Almost surely, 2^{1213213637967} is an apocalyptic number.

1213213637967 is a deficient number, since it is larger than the sum of its proper divisors (405767329329).

1213213637967 is a wasteful number, since it uses less digits than its factorization.

1213213637967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340695837.

The product of its digits is 1714608, while the sum is 51.

The spelling of 1213213637967 in words is "one trillion, two hundred thirteen billion, two hundred thirteen million, six hundred thirty-seven thousand, nine hundred sixty-seven".