12022022091 has 16 divisors (see below), whose sum is σ = 16545691008. Its totient is φ = 7759502400.

The previous prime is 12022022081. The next prime is 12022022119. The reversal of 12022022091 is 19022022021.

It is a happy number.

It is not a de Polignac number, because 12022022091 - 2¹⁵ = 12021989323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12022022081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356941 + ... + 389166.

It is an arithmetic number, because the mean of its divisors is an integer number (1034105688).

Almost surely, 2^12022022091 is an apocalyptic number.

12022022091 is a deficient number, since it is larger than the sum of its proper divisors (4523668917).

12022022091 is a wasteful number, since it uses less digits than its factorization.

12022022091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746282.

The product of its (nonzero) digits is 288, while the sum is 21.

It can be divided in two parts, 120220 and 22091, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 12022022091 in words is "twelve billion, twenty-two million, twenty-two thousand, ninety-one".