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12213202331201 = 117539103907659
BaseRepresentation
bin1011000110111001101110…
…0101100010011001000001
31121020120102001212200222112
42301232123211202121001
53100100114244044301
641550400115545105
72400242352641024
oct261563345423101
947216361780875
1012213202331201
113989654355923
1214530008bb195
136a7913ca2b51
1430319d2571bb
15162a604619bb
hexb1b9b962641

12213202331201 has 4 divisors (see below), whose sum is σ = 12213306356400. Its totient is φ = 12213098306004.

The previous prime is 12213202331173. The next prime is 12213202331227. The reversal of 12213202331201 is 10213320231221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12213202331201 is a prime.

It is a super-2 number, since 2×122132023312012 (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 (12213202331261) 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, 51836291 + ... + 52071368.

It is an arithmetic number, because the mean of its divisors is an integer number (3053326589100).

Almost surely, 212213202331201 is an apocalyptic number.

It is an amenable number.

12213202331201 is a deficient number, since it is larger than the sum of its proper divisors (104025199).

12213202331201 is a wasteful number, since it uses less digits than its factorization.

12213202331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104025198.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12213202331201 its reverse (10213320231221), we get a palindrome (22426522562422).

The spelling of 12213202331201 in words is "twelve trillion, two hundred thirteen billion, two hundred two million, three hundred thirty-one thousand, two hundred one".

Divisors: 1 117539 103907659 12213202331201