400012422232124 has 12 divisors (see below), whose sum is σ = 753869564976024. Its totient is φ = 184621117953264.

The previous prime is 400012422232109. The next prime is 400012422232147. The reversal of 400012422232124 is 421232224210004.

It is a super-2 number, since 2×400012422232124² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846273290642 + ... + 3846273290745.

It is an arithmetic number, because the mean of its divisors is an integer number (62822463748002).

Almost surely, 2^{400012422232124} is an apocalyptic number.

It is an amenable number.

400012422232124 is a deficient number, since it is larger than the sum of its proper divisors (353857142743900).

400012422232124 is a wasteful number, since it uses less digits than its factorization.

400012422232124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692546581404 (or 7692546581402 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 400012422232124 its reverse (421232224210004), we get a palindrome (821244646442128).

The spelling of 400012422232124 in words is "four hundred trillion, twelve billion, four hundred twenty-two million, two hundred thirty-two thousand, one hundred twenty-four".