12400041022 has 16 divisors (see below), whose sum is σ = 19581218640. Its totient is φ = 5873041728.

The previous prime is 12400041019. The next prime is 12400041023. The reversal of 12400041022 is 22014000421.

It is a super-2 number, since 2×12400041022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12400040987 and 12400041005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400041023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557458 + ... + 579274.

It is an arithmetic number, because the mean of its divisors is an integer number (1223826165).

Almost surely, 2^12400041022 is an apocalyptic number.

12400041022 is a deficient number, since it is larger than the sum of its proper divisors (7181177618).

12400041022 is a wasteful number, since it uses less digits than its factorization.

12400041022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36795.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12400041022 its reverse (22014000421), we get a palindrome (34414041443).

The spelling of 12400041022 in words is "twelve billion, four hundred million, forty-one thousand, twenty-two".