40014231212 has 12 divisors (see below), whose sum is σ = 72283772736. Its totient is φ = 19361724720.

The previous prime is 40014231149. The next prime is 40014231247. The reversal of 40014231212 is 21213241004.

It is a super-2 number, since 2×40014231212² (a number of 22 digits) contains 22 as substring.

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, 161347583 + ... + 161347830.

It is an arithmetic number, because the mean of its divisors is an integer number (6023647728).

Almost surely, 2^40014231212 is an apocalyptic number.

It is an amenable number.

40014231212 is a deficient number, since it is larger than the sum of its proper divisors (32269541524).

40014231212 is a wasteful number, since it uses less digits than its factorization.

40014231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322695448 (or 322695446 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40014231212 its reverse (21213241004), we get a palindrome (61227472216).

The spelling of 40014231212 in words is "forty billion, fourteen million, two hundred thirty-one thousand, two hundred twelve".