12837121801 has 4 divisors (see below), whose sum is σ = 14670996352. Its totient is φ = 11003247252.

The previous prime is 12837121783. The next prime is 12837121823. The reversal of 12837121801 is 10812173821.

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 12837121801 - 2⁹ = 12837121289 is a prime.

It is a super-2 number, since 2×12837121801² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12837121861) 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, 916937265 + ... + 916937278.

It is an arithmetic number, because the mean of its divisors is an integer number (3667749088).

Almost surely, 2^12837121801 is an apocalyptic number.

It is an amenable number.

12837121801 is a deficient number, since it is larger than the sum of its proper divisors (1833874551).

12837121801 is an equidigital number, since it uses as much as digits as its factorization.

12837121801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833874550.

The product of its (nonzero) digits is 5376, while the sum is 34.

The spelling of 12837121801 in words is "twelve billion, eight hundred thirty-seven million, one hundred twenty-one thousand, eight hundred one".