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12102214141 = 192921964091
BaseRepresentation
bin10110100010101100…
…10010000111111101
31011020102110011210101
423101112102013331
5144241131323031
65320520241101
7605622060103
oct132126220775
934212404711
1012102214141
115150425676
122419010191
1311ab3a2074
1482b427c73
154ac711361
hex2d15921fd

12102214141 has 8 divisors (see below), whose sum is σ = 13178455200. Its totient is φ = 11069901360.

The previous prime is 12102214097. The next prime is 12102214181. The reversal of 12102214141 is 14141220121.

It is a happy number.

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 12102214141 - 27 = 12102214013 is a prime.

It is a super-2 number, since 2×121022141412 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102214181) 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, 10981495 + ... + 10982596.

It is an arithmetic number, because the mean of its divisors is an integer number (1647306900).

Almost surely, 212102214141 is an apocalyptic number.

It is an amenable number.

12102214141 is a deficient number, since it is larger than the sum of its proper divisors (1076241059).

12102214141 is a wasteful number, since it uses less digits than its factorization.

12102214141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21964139.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12102214141 its reverse (14141220121), we get a palindrome (26243434262).

The spelling of 12102214141 in words is "twelve billion, one hundred two million, two hundred fourteen thousand, one hundred forty-one".

Divisors: 1 19 29 551 21964091 417317729 636958639 12102214141