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12220211001 = 337110091991
BaseRepresentation
bin10110110000110000…
…11001111100111001
31011112122111001001110
423120120121330321
5200011333223001
65340333310533
7611554036215
oct133030317471
934478431043
1012220211001
115200a99439
122450635449
1311c99772ab
1483cd81945
154b7c6d3d6
hex2d8619f39

12220211001 has 8 divisors (see below), whose sum is σ = 16733982784. Its totient is φ = 7926623280.

The previous prime is 12220210973. The next prime is 12220211021. The reversal of 12220211001 is 10011202221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12220211001 - 29 = 12220210489 is a prime.

It is a super-2 number, since 2×122202110012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220211021) 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, 55045885 + ... + 55046106.

It is an arithmetic number, because the mean of its divisors is an integer number (2091747848).

Almost surely, 212220211001 is an apocalyptic number.

It is an amenable number.

12220211001 is a deficient number, since it is larger than the sum of its proper divisors (4513771783).

12220211001 is a wasteful number, since it uses less digits than its factorization.

12220211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110092031.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12220211001 its reverse (10011202221), we get a palindrome (22231413222).

The spelling of 12220211001 in words is "twelve billion, two hundred twenty million, two hundred eleven thousand, one".

Divisors: 1 3 37 111 110091991 330275973 4073403667 12220211001