212220010102 has 32 divisors (see below), whose sum is σ = 344889410112. Its totient is φ = 97563208704.

The previous prime is 212220010097. The next prime is 212220010109. The reversal of 212220010102 is 201010022212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220010109) 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, 167143 + ... + 672589.

It is an arithmetic number, because the mean of its divisors is an integer number (10777794066).

Almost surely, 2^212220010102 is an apocalyptic number.

212220010102 is a deficient number, since it is larger than the sum of its proper divisors (132669400010).

212220010102 is a wasteful number, since it uses less digits than its factorization.

212220010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505752.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212220010102 its reverse (201010022212), we get a palindrome (413230032314).

The spelling of 212220010102 in words is "two hundred twelve billion, two hundred twenty million, ten thousand, one hundred two".