1210020001983 has 48 divisors (see below), whose sum is σ = 1952190764160. Its totient is φ = 744542116704.

The previous prime is 1210020001979. The next prime is 1210020001991. The reversal of 1210020001983 is 3891000200121.

It is not a de Polignac number, because 1210020001983 - 2² = 1210020001979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020008983) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37699260 + ... + 37731342.

It is an arithmetic number, because the mean of its divisors is an integer number (40670640920).

Almost surely, 2^{1210020001983} is an apocalyptic number.

1210020001983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210020001983 is a deficient number, since it is larger than the sum of its proper divisors (742170762177).

1210020001983 is a wasteful number, since it uses less digits than its factorization.

1210020001983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44050 (or 44038 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 1210020001983 in words is "one trillion, two hundred ten billion, twenty million, one thousand, nine hundred eighty-three".