Search a number
-
+
12201452412 = 2231016787701
BaseRepresentation
bin10110101110100001…
…10110001101111100
31011111100012000002220
423113100312031330
5144442032434122
65334423245340
7611235430362
oct132720661574
934440160086
1012201452412
1151a1446876
1224462a9850
1311c5b09c36
1483a69b632
154b62b525c
hex2d743637c

12201452412 has 12 divisors (see below), whose sum is σ = 28470055656. Its totient is φ = 4067150800.

The previous prime is 12201452383. The next prime is 12201452443. The reversal of 12201452412 is 21425410221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508393839 + ... + 508393862.

It is an arithmetic number, because the mean of its divisors is an integer number (2372504638).

Almost surely, 212201452412 is an apocalyptic number.

12201452412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201452412 is an abundant number, since it is smaller than the sum of its proper divisors (16268603244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12201452412 is a wasteful number, since it uses less digits than its factorization.

12201452412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016787708 (or 1016787706 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 12201452412 its reverse (21425410221), we get a palindrome (33626862633).

The spelling of 12201452412 in words is "twelve billion, two hundred one million, four hundred fifty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 1016787701 2033575402 3050363103 4067150804 6100726206 12201452412