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12210013230311 = 13939231786947
BaseRepresentation
bin1011000110101101110110…
…0000000101010011100111
31121020021011211000120222202
42301223131200011103213
53100022101341332221
641545111434245115
72400100340013551
oct261533540052347
947207154016882
1012210013230311
113988268177156
12145247088679b
136a752637c1c0
14302d798a84d1
151629254b7d0b
hexb1add8054e7

12210013230311 has 4 divisors (see below), whose sum is σ = 13149245017272. Its totient is φ = 11270781443352.

The previous prime is 12210013230277. The next prime is 12210013230313. The reversal of 12210013230311 is 11303231001221.

It is a happy number.

12210013230311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12210013230311 is a prime.

It is a super-2 number, since 2×122100132303112 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210013230313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469615893461 + ... + 469615893486.

It is an arithmetic number, because the mean of its divisors is an integer number (3287311254318).

Almost surely, 212210013230311 is an apocalyptic number.

12210013230311 is a deficient number, since it is larger than the sum of its proper divisors (939231786961).

12210013230311 is an equidigital number, since it uses as much as digits as its factorization.

12210013230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939231786960.

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

Adding to 12210013230311 its reverse (11303231001221), we get a palindrome (23513244231532).

The spelling of 12210013230311 in words is "twelve trillion, two hundred ten billion, thirteen million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 13 939231786947 12210013230311