210220220112012 has 72 divisors (see below), whose sum is σ = 579709415572560. Its totient is φ = 63701862625920.

The previous prime is 210220220111969. The next prime is 210220220112017. The reversal of 210220220112012 is 210211022022012.

It is a happy number.

210220220112012 is a `hidden beast` number, since 2 + 10 + 220 + 220 + 11 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210220220112017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15422818 + ... + 25657430.

It is an arithmetic number, because the mean of its divisors is an integer number (8051519660730).

Almost surely, 2^{210220220112012} is an apocalyptic number.

210220220112012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210220220112012 is an abundant number, since it is smaller than the sum of its proper divisors (369489195460548).

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

210220220112012 is a wasteful number, since it uses less digits than its factorization.

210220220112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286503 (or 10286498 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210220220112012 its reverse (210211022022012), we get a palindrome (420431242134024).

The spelling of 210220220112012 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty million, one hundred twelve thousand, twelve".