1220000021196 has 96 divisors (see below), whose sum is σ = 3113977026048. Its totient is φ = 368683176960.

The previous prime is 1220000021179. The next prime is 1220000021203. The reversal of 1220000021196 is 6911200000221.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247311546 + ... + 247316478.

It is an arithmetic number, because the mean of its divisors is an integer number (32437260688).

Almost surely, 2^{1220000021196} is an apocalyptic number.

It is an amenable number.

1220000021196 is an abundant number, since it is smaller than the sum of its proper divisors (1893977004852).

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

1220000021196 is a wasteful number, since it uses less digits than its factorization.

1220000021196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711 (or 9709 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 1220000021196 in words is "one trillion, two hundred twenty billion, twenty-one thousand, one hundred ninety-six".