40431234012212 has 48 divisors (see below), whose sum is σ = 71800845645312. Its totient is φ = 19917106056960.

The previous prime is 40431234012193. The next prime is 40431234012251. The reversal of 40431234012212 is 21221043213404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348891008 + ... + 3348903080.

It is an arithmetic number, because the mean of its divisors is an integer number (1495850950944).

Almost surely, 2^{40431234012212} is an apocalyptic number.

It is an amenable number.

40431234012212 is a deficient number, since it is larger than the sum of its proper divisors (31369611633100).

40431234012212 is a wasteful number, since it uses less digits than its factorization.

40431234012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19328 (or 19326 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 40431234012212 its reverse (21221043213404), we get a palindrome (61652277225616).

The spelling of 40431234012212 in words is "forty trillion, four hundred thirty-one billion, two hundred thirty-four million, twelve thousand, two hundred twelve".