12146591620801 has 4 divisors (see below), whose sum is σ = 13250827222704. Its totient is φ = 11042356018900.

The previous prime is 12146591620759. The next prime is 12146591620853. The reversal of 12146591620801 is 10802619564121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12146591620801 - 2¹⁷ = 12146591489729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12146591620001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552117800935 + ... + 552117800956.

It is an arithmetic number, because the mean of its divisors is an integer number (3312706805676).

Almost surely, 2^{12146591620801} is an apocalyptic number.

12146591620801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12146591620801 is a deficient number, since it is larger than the sum of its proper divisors (1104235601903).

12146591620801 is a wasteful number, since it uses less digits than its factorization.

12146591620801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104235601902.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 12146591620801 in words is "twelve trillion, one hundred forty-six billion, five hundred ninety-one million, six hundred twenty thousand, eight hundred one".