10212121983 has 16 divisors (see below), whose sum is σ = 15570705920. Its totient is φ = 5831981856.

The previous prime is 10212121981. The next prime is 10212121999. The reversal of 10212121983 is 38912121201.

It is not a de Polignac number, because 10212121983 - 2¹ = 10212121981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10212121983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212121981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110635 + ... + 180732.

It is an arithmetic number, because the mean of its divisors is an integer number (973169120).

Almost surely, 2^10212121983 is an apocalyptic number.

10212121983 is a deficient number, since it is larger than the sum of its proper divisors (5358583937).

10212121983 is a wasteful number, since it uses less digits than its factorization.

10212121983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293046.

The product of its (nonzero) digits is 1728, while the sum is 30.

The spelling of 10212121983 in words is "ten billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-three".