13890222312 has 32 divisors (see below), whose sum is σ = 34835119200. Its totient is φ = 4615465664.

The previous prime is 13890222299. The next prime is 13890222319. The reversal of 13890222312 is 21322209831.

It is not an unprimeable number, because it can be changed into a prime (13890222319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905262 + ... + 920477.

It is an arithmetic number, because the mean of its divisors is an integer number (1088597475).

Almost surely, 2^13890222312 is an apocalyptic number.

13890222312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13890222312 is an abundant number, since it is smaller than the sum of its proper divisors (20944896888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13890222312 is a wasteful number, since it uses less digits than its factorization.

13890222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826065 (or 1826061 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 13890222312 in words is "thirteen billion, eight hundred ninety million, two hundred twenty-two thousand, three hundred twelve".