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12111142201 = 531105920663
BaseRepresentation
bin10110100011110000…
…10101110100111001
31011021001020202210021
423101320111310321
5144300423022301
65321435450441
7606061003324
oct132170256471
934231222707
1012111142201
115155473434
12241bbb6a21
1311b01a9a42
1482c6ad7bb
154ad3c68a1
hex2d1e15d39

12111142201 has 8 divisors (see below), whose sum is σ = 12341367360. Its totient is φ = 11880980592.

The previous prime is 12111142187. The next prime is 12111142231. The reversal of 12111142201 is 10224111121.

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 12111142201 - 27 = 12111142073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111142231) 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, 575796 + ... + 596458.

It is an arithmetic number, because the mean of its divisors is an integer number (1542670920).

Almost surely, 212111142201 is an apocalyptic number.

It is an amenable number.

12111142201 is a deficient number, since it is larger than the sum of its proper divisors (230225159).

12111142201 is a wasteful number, since it uses less digits than its factorization.

12111142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31775.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111142201 its reverse (10224111121), we get a palindrome (22335253322).

The spelling of 12111142201 in words is "twelve billion, one hundred eleven million, one hundred forty-two thousand, two hundred one".

Divisors: 1 53 11059 20663 586127 1095139 228512117 12111142201