210142223120 has 80 divisors (see below), whose sum is σ = 489662409600. Its totient is φ = 83871052800.

The previous prime is 210142223117. The next prime is 210142223147. The reversal of 210142223120 is 21322241012.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210142223092 and 210142223101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122103860 + ... + 122105580.

It is an arithmetic number, because the mean of its divisors is an integer number (6120780120).

Almost surely, 2^210142223120 is an apocalyptic number.

210142223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210142223120 is an abundant number, since it is smaller than the sum of its proper divisors (279520186480).

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

210142223120 is a wasteful number, since it uses less digits than its factorization.

210142223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210142223120 its reverse (21322241012), we get a palindrome (231464464132).

The spelling of 210142223120 in words is "two hundred ten billion, one hundred forty-two million, two hundred twenty-three thousand, one hundred twenty".