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12210002313131 = 75222593339887
BaseRepresentation
bin1011000110101101110011…
…0110011011111110101011
31121020021011001110221102202
42301223130312123332223
53100022041043010011
641545110404250415
72400100145144210
oct261533466337653
947207131427382
1012210002313131
113988261a9a997
1214524690a0a0b
136a752402902c
14302d78265b07
1516292455d23b
hexb1adcd9bfab

12210002313131 has 8 divisors (see below), whose sum is σ = 13954319255040. Its totient is φ = 10465693095528.

The previous prime is 12210002313127. The next prime is 12210002313211. The reversal of 12210002313131 is 13131320001221.

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 12210002313131 - 22 = 12210002313127 is a prime.

It is a super-2 number, since 2×122100023131312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12210002313731) 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, 1985870 + ... + 5325756.

It is an arithmetic number, because the mean of its divisors is an integer number (1744289906880).

Almost surely, 212210002313131 is an apocalyptic number.

12210002313131 is a deficient number, since it is larger than the sum of its proper divisors (1744316941909).

12210002313131 is an equidigital number, since it uses as much as digits as its factorization.

12210002313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862153.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12210002313131 its reverse (13131320001221), we get a palindrome (25341322314352).

The spelling of 12210002313131 in words is "twelve trillion, two hundred ten billion, two million, three hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 7 522259 3339887 3655813 23379209 1744286044733 12210002313131