12021101999982 has 24 divisors (see below), whose sum is σ = 26045798870520. Its totient is φ = 4007022019920.

The previous prime is 12021101999971. The next prime is 12021101999983. The reversal of 12021101999982 is 28999910112021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021101999983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6862144 + ... + 8433932.

It is an arithmetic number, because the mean of its divisors is an integer number (1085241619605).

Almost surely, 2^{12021101999982} is an apocalyptic number.

12021101999982 is an abundant number, since it is smaller than the sum of its proper divisors (14024696870538).

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

12021101999982 is a wasteful number, since it uses less digits than its factorization.

12021101999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996688 (or 1996685 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 54.

The spelling of 12021101999982 in words is "twelve trillion, twenty-one billion, one hundred one million, nine hundred ninety-nine thousand, nine hundred eighty-two".