12021012092 has 48 divisors (see below), whose sum is σ = 21608408640. Its totient is φ = 5849625600.

The previous prime is 12021012079. The next prime is 12021012109. The reversal of 12021012092 is 29021012021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11913284 + ... + 11914292.

It is an arithmetic number, because the mean of its divisors is an integer number (450175180).

Almost surely, 2^12021012092 is an apocalyptic number.

It is an amenable number.

12021012092 is a deficient number, since it is larger than the sum of its proper divisors (9587396548).

12021012092 is a wasteful number, since it uses less digits than its factorization.

12021012092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12021012092 in words is "twelve billion, twenty-one million, twelve thousand, ninety-two".