210220121212002 has 96 divisors (see below), whose sum is σ = 497146576582656. Its totient is φ = 63669402050400.

The previous prime is 210220121211983. The next prime is 210220121212007. The reversal of 210220121212002 is 200212121022012.

It is a happy number.

210220121212002 is a `hidden beast` number, since 210 + 220 + 1 + 21 + 212 + 0 + 0 + 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 (210220121212007) 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, 3350463843 + ... + 3350526585.

It is an arithmetic number, because the mean of its divisors is an integer number (5178610172736).

Almost surely, 2^{210220121212002} is an apocalyptic number.

210220121212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210220121212002 is an abundant number, since it is smaller than the sum of its proper divisors (286926455370654).

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

210220121212002 is a wasteful number, since it uses less digits than its factorization.

210220121212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71436 (or 71433 counting only the distinct ones).

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

Adding to 210220121212002 its reverse (200212121022012), we get a palindrome (410432242234014).

The spelling of 210220121212002 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, two".