210112121982 has 32 divisors (see below), whose sum is σ = 491969850624. Its totient is φ = 58567838400.

The previous prime is 210112121981. The next prime is 210112121983. The reversal of 210112121982 is 289121211012.

It is an interprime number because it is at equal distance from previous prime (210112121981) and next prime (210112121983).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210112121981) 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, 61006444 + ... + 61009887.

It is an arithmetic number, because the mean of its divisors is an integer number (15374057832).

Almost surely, 2^210112121982 is an apocalyptic number.

210112121982 is an abundant number, since it is smaller than the sum of its proper divisors (281857728642).

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

210112121982 is a wasteful number, since it uses less digits than its factorization.

210112121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122016384.

The product of its (nonzero) digits is 1152, while the sum is 30.

Adding to 210112121982 its reverse (289121211012), we get a palindrome (499233332994).

The spelling of 210112121982 in words is "two hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-two".