12220101020 has 36 divisors (see below), whose sum is σ = 26826494520. Its totient is φ = 4675512864.

The previous prime is 12220101011. The next prime is 12220101053. The reversal of 12220101020 is 2010102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220100992 and 12220101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566930 + ... + 588089.

Almost surely, 2^12220101020 is an apocalyptic number.

12220101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220101020 is an abundant number, since it is smaller than the sum of its proper divisors (14606393500).

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

12220101020 is a wasteful number, since it uses less digits than its factorization.

12220101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155074 (or 1155049 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12220101020 its reverse (2010102221), we get a palindrome (14230203241).

The spelling of 12220101020 in words is "twelve billion, two hundred twenty million, one hundred one thousand, twenty".