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12214144444 = 223782528003
BaseRepresentation
bin10110110000000010…
…10000110110111100
31011112020001211022011
423120001100312330
5200003310110234
65335555301004
7611451341365
oct133001206674
934466054264
1012214144444
1151a8625557
12244a5aa764
1311c8631c08
1483c242b6c
154b7470b64
hex2d8050dbc

12214144444 has 12 divisors (see below), whose sum is σ = 21952449064. Its totient is φ = 5942016144.

The previous prime is 12214144379. The next prime is 12214144447. The reversal of 12214144444 is 44444141221.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214144447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41263854 + ... + 41264149.

Almost surely, 212214144444 is an apocalyptic number.

It is an amenable number.

12214144444 is a deficient number, since it is larger than the sum of its proper divisors (9738304620).

12214144444 is a wasteful number, since it uses less digits than its factorization.

12214144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82528044 (or 82528042 counting only the distinct ones).

The product of its digits is 16384, while the sum is 31.

Adding to 12214144444 its reverse (44444141221), we get a palindrome (56658285665).

The spelling of 12214144444 in words is "twelve billion, two hundred fourteen million, one hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 37 74 148 82528003 165056006 330112012 3053536111 6107072222 12214144444