1213700393903 has 8 divisors (see below), whose sum is σ = 1242445580160. Its totient is φ = 1185227674200.

The previous prime is 1213700393887. The next prime is 1213700393929. The reversal of 1213700393903 is 3093930073121.

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 1213700393903 - 2⁴ = 1213700393887 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 (1213700393933) 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, 68107625 + ... + 68125442.

It is an arithmetic number, because the mean of its divisors is an integer number (155305697520).

Almost surely, 2^{1213700393903} is an apocalyptic number.

1213700393903 is a deficient number, since it is larger than the sum of its proper divisors (28745186257).

1213700393903 is a wasteful number, since it uses less digits than its factorization.

1213700393903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136233277.

The product of its (nonzero) digits is 91854, while the sum is 41.

The spelling of 1213700393903 in words is "one trillion, two hundred thirteen billion, seven hundred million, three hundred ninety-three thousand, nine hundred three".