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12220202001 = 371275238761
BaseRepresentation
bin10110110000110000…
…10111110000010001
31011112122110120201010
423120120113300101
5200011332431001
65340333201133
7611554001040
oct133030276021
934478416633
1012220202001
115200a926a7
1224506301a9
1311c9973177
1483cd7c557
154b7c6a8d6
hex2d8617c11

12220202001 has 32 divisors (see below), whose sum is σ = 18805915648. Its totient is φ = 6913952640.

The previous prime is 12220201993. The next prime is 12220202009. The reversal of 12220202001 is 10020202221.

It is an interprime number because it is at equal distance from previous prime (12220201993) and next prime (12220202009).

It is not a de Polignac number, because 12220202001 - 23 = 12220201993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220202009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1390461 + ... + 1399221.

It is an arithmetic number, because the mean of its divisors is an integer number (587684864).

Almost surely, 212220202001 is an apocalyptic number.

It is an amenable number.

12220202001 is a deficient number, since it is larger than the sum of its proper divisors (6585713647).

12220202001 is a wasteful number, since it uses less digits than its factorization.

12220202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9421.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12220202001 its reverse (10020202221), we get a palindrome (22240404222).

The spelling of 12220202001 in words is "twelve billion, two hundred twenty million, two hundred two thousand, one".

Divisors: 1 3 7 21 127 381 523 889 1569 2667 3661 8761 10983 26283 61327 66421 183981 199263 464947 1112647 1394841 3337941 4582003 7788529 13746009 23365587 32074021 96222063 581914381 1745743143 4073400667 12220202001