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12102213001 = 194671363937
BaseRepresentation
bin10110100010101100…
…10001110110001001
31011020102110010020011
423101112101312021
5144241131304001
65320520231521
7605622053554
oct132126216611
934212403204
1012102213001
11515042482a
12241900b5a1
1311ab3a16a8
1482b42769b
154ac710d51
hex2d1591d89

12102213001 has 8 divisors (see below), whose sum is σ = 12766459680. Its totient is φ = 11440695168.

The previous prime is 12102212999. The next prime is 12102213041. The reversal of 12102213001 is 10031220121.

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

It is a cyclic number.

It is not a de Polignac number, because 12102213001 - 21 = 12102212999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102213041) 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, 673096 + ... + 690841.

It is an arithmetic number, because the mean of its divisors is an integer number (1595807460).

Almost surely, 212102213001 is an apocalyptic number.

It is an amenable number.

12102213001 is a deficient number, since it is larger than the sum of its proper divisors (664246679).

12102213001 is a wasteful number, since it uses less digits than its factorization.

12102213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364423.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12102213001 its reverse (10031220121), we get a palindrome (22133433122).

The spelling of 12102213001 in words is "twelve billion, one hundred two million, two hundred thirteen thousand, one".

Divisors: 1 19 467 8873 1363937 25914803 636958579 12102213001