12220011010 has 16 divisors (see below), whose sum is σ = 22754503800. Its totient is φ = 4719452416.

The previous prime is 12220011007. The next prime is 12220011019. The reversal of 12220011010 is 1011002221.

It can be written as a sum of positive squares in 4 ways, for example, as 9599492529 + 2620518481 = 97977^2 + 51191^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12220011019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21068695 + ... + 21069274.

Almost surely, 2^12220011010 is an apocalyptic number.

12220011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220011010 is a deficient number, since it is larger than the sum of its proper divisors (10534492790).

12220011010 is a wasteful number, since it uses less digits than its factorization.

12220011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42138005.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12220011010 its reverse (1011002221), we get a palindrome (13231013231).

The spelling of 12220011010 in words is "twelve billion, two hundred twenty million, eleven thousand, ten".