1213597238433 has 32 divisors (see below), whose sum is σ = 1753924907520. Its totient is φ = 743500369920.

The previous prime is 1213597238401. The next prime is 1213597238461. The reversal of 1213597238433 is 3348327953121.

It is not a de Polignac number, because 1213597238433 - 2⁵ = 1213597238401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1213597238233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407833 + ... + 1610441.

It is an arithmetic number, because the mean of its divisors is an integer number (54810153360).

Almost surely, 2^{1213597238433} is an apocalyptic number.

It is an amenable number.

1213597238433 is a deficient number, since it is larger than the sum of its proper divisors (540327669087).

1213597238433 is a wasteful number, since it uses less digits than its factorization.

1213597238433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203097.

The product of its digits is 3265920, while the sum is 51.

The spelling of 1213597238433 in words is "one trillion, two hundred thirteen billion, five hundred ninety-seven million, two hundred thirty-eight thousand, four hundred thirty-three".