12235997004001 has 3 divisors (see below), whose sum is σ = 12236000502001. Its totient is φ = 12235993506002.

The previous prime is 12235997003983. The next prime is 12235997004019. The reversal of 12235997004001 is 10040079953221.

The square root of 12235997004001 is 3497999.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12235997003983) and next prime (12235997004019).

It is not a de Polignac number, because 12235997004001 - 2⁵ = 12235997003969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12235997004071) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1749000 + ... + 5246998.

Almost surely, 2^{12235997004001} is an apocalyptic number.

12235997004001 is the 3497999-th square number.

12235997004001 is the 1749000-th centered octagonal number.

It is an amenable number.

12235997004001 is a deficient number, since it is larger than the sum of its proper divisors (3498000).

12235997004001 is an frugal number, since it uses more digits than its factorization.

12235997004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995998 (or 3497999 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 12235997004001 in words is "twelve trillion, two hundred thirty-five billion, nine hundred ninety-seven million, four thousand, one".