40333121212 has 12 divisors (see below), whose sum is σ = 70614030816. Its totient is φ = 20157683840.

The previous prime is 40333121201. The next prime is 40333121263. The reversal of 40333121212 is 21212133304.

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, 2208964 + ... + 2227147.

It is an arithmetic number, because the mean of its divisors is an integer number (5884502568).

Almost surely, 2^40333121212 is an apocalyptic number.

It is an amenable number.

40333121212 is a deficient number, since it is larger than the sum of its proper divisors (30280909604).

40333121212 is a wasteful number, since it uses less digits than its factorization.

40333121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4438388 (or 4438386 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 40333121212 its reverse (21212133304), we get a palindrome (61545254516).

The spelling of 40333121212 in words is "forty billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred twelve".