12220021030 has 32 divisors (see below), whose sum is σ = 25212972096. Its totient is φ = 4177281024.

The previous prime is 12220021001. The next prime is 12220021061. The reversal of 12220021030 is 3012002221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220021030.

It is a congruent number.

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, 235419 + ... + 282598.

It is an arithmetic number, because the mean of its divisors is an integer number (787905378).

Almost surely, 2^12220021030 is an apocalyptic number.

12220021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220021030 is an abundant number, since it is smaller than the sum of its proper divisors (12992951066).

12220021030 is a wasteful number, since it uses less digits than its factorization.

12220021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518368.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12220021030 its reverse (3012002221), we get a palindrome (15232023251).

The spelling of 12220021030 in words is "twelve billion, two hundred twenty million, twenty-one thousand, thirty".