40012213711 has 4 divisors (see below), whose sum is σ = 40036657752. Its totient is φ = 39987769672.

The previous prime is 40012213679. The next prime is 40012213721. The reversal of 40012213711 is 11731221004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40012213711 - 2⁵ = 40012213679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012213721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12219565 + ... + 12222838.

It is an arithmetic number, because the mean of its divisors is an integer number (10009164438).

Almost surely, 2^40012213711 is an apocalyptic number.

40012213711 is a deficient number, since it is larger than the sum of its proper divisors (24444041).

40012213711 is a wasteful number, since it uses less digits than its factorization.

40012213711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24444040.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 40012213711 its reverse (11731221004), we get a palindrome (51743434715).

The spelling of 40012213711 in words is "forty billion, twelve million, two hundred thirteen thousand, seven hundred eleven".