Search a number
-
+
12011220202 = 222326930987
BaseRepresentation
bin10110010111110110…
…01010110011101010
31011000002020012120111
423023323022303222
5144044333021302
65303510044534
7603435454462
oct131373126352
934002205514
1012011220202
115104025573
1223b264974a
1311955928b7
1481d2dcba2
154a473a0d7
hex2cbecacea

12011220202 has 8 divisors (see below), whose sum is σ = 18097623936. Its totient is φ = 5978678892.

The previous prime is 12011220197. The next prime is 12011220223. The reversal of 12011220202 is 20202211021.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13465048 + ... + 13465939.

It is an arithmetic number, because the mean of its divisors is an integer number (2262202992).

Almost surely, 212011220202 is an apocalyptic number.

12011220202 is a deficient number, since it is larger than the sum of its proper divisors (6086403734).

12011220202 is a wasteful number, since it uses less digits than its factorization.

12011220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26931212.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12011220202 its reverse (20202211021), we get a palindrome (32213431223).

The spelling of 12011220202 in words is "twelve billion, eleven million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 223 446 26930987 53861974 6005610101 12011220202