12041621123 has 16 divisors (see below), whose sum is σ = 13854253056. Its totient is φ = 10252297440.

The previous prime is 12041621117. The next prime is 12041621131. The reversal of 12041621123 is 32112614021.

It is not a de Polignac number, because 12041621123 - 2¹⁴ = 12041604739 is a prime.

It is a super-2 number, since 2×12041621123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12041621023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714413 + ... + 731073.

It is an arithmetic number, because the mean of its divisors is an integer number (865890816).

Almost surely, 2^12041621123 is an apocalyptic number.

12041621123 is a deficient number, since it is larger than the sum of its proper divisors (1812631933).

12041621123 is a wasteful number, since it uses less digits than its factorization.

12041621123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17354.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 12041621123 in words is "twelve billion, forty-one million, six hundred twenty-one thousand, one hundred twenty-three".