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12222111030 = 235407403701
BaseRepresentation
bin10110110000111111…
…01001110100110110
31011112210001120101220
423120133221310312
5200012330023110
65340442131210
7611606141523
oct133037516466
934483046356
1012222111030
115202076a08
1224511b0b06
1311ca19107c
1483d31814a
154b7ee6370
hex2d87e9d36

12222111030 has 16 divisors (see below), whose sum is σ = 29333066544. Its totient is φ = 3259229600.

The previous prime is 12222111023. The next prime is 12222111047. The reversal of 12222111030 is 3011122221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203701821 + ... + 203701880.

It is an arithmetic number, because the mean of its divisors is an integer number (1833316659).

Almost surely, 212222111030 is an apocalyptic number.

12222111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222111030 is an abundant number, since it is smaller than the sum of its proper divisors (17110955514).

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

12222111030 is a wasteful number, since it uses less digits than its factorization.

12222111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407403711.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12222111030 its reverse (3011122221), we get a palindrome (15233233251).

The spelling of 12222111030 in words is "twelve billion, two hundred twenty-two million, one hundred eleven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 407403701 814807402 1222211103 2037018505 2444422206 4074037010 6111055515 12222111030