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12220222101 = 329373796279
BaseRepresentation
bin10110110000110000…
…11100101010010101
31011112122111121021120
423120120130222111
5200011334101401
65340333434153
7611554113453
oct133030345225
934478447246
1012220222101
115200aa680a
12245063b959
1311c997c369
1483cd859d3
154b7c71836
hex2d861ca95

12220222101 has 16 divisors (see below), whose sum is σ = 17311036800. Its totient is φ = 7653296448.

The previous prime is 12220222093. The next prime is 12220222117. The reversal of 12220222101 is 10122202221.

It is not a de Polignac number, because 12220222101 - 23 = 12220222093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220222121) 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, 1894921 + ... + 1901358.

It is an arithmetic number, because the mean of its divisors is an integer number (1081939800).

Almost surely, 212220222101 is an apocalyptic number.

It is an amenable number.

12220222101 is a deficient number, since it is larger than the sum of its proper divisors (5090814699).

12220222101 is a wasteful number, since it uses less digits than its factorization.

12220222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796348.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220222101 its reverse (10122202221), we get a palindrome (22342424322).

The spelling of 12220222101 in words is "twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 3 29 37 87 111 1073 3219 3796279 11388837 110092091 140462323 330276273 421386969 4073407367 12220222101