1210020001982 has 16 divisors (see below), whose sum is σ = 1985202542592. Its totient is φ = 548573032920.

The previous prime is 1210020001979. The next prime is 1210020001991. The reversal of 1210020001982 is 2891000200121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71794328 + ... + 71811179.

It is an arithmetic number, because the mean of its divisors is an integer number (124075158912).

Almost surely, 2^{1210020001982} is an apocalyptic number.

1210020001982 is a deficient number, since it is larger than the sum of its proper divisors (775182540610).

1210020001982 is a wasteful number, since it uses less digits than its factorization.

1210020001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143605903.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1210020001982 in words is "one trillion, two hundred ten billion, twenty million, one thousand, nine hundred eighty-two".