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12213133203031 = 3728921207599
BaseRepresentation
bin1011000110111001011101…
…1101110101011001010111
31121020120020020210121221221
42301232113131311121113
53100044444044444111
641550345210151211
72400240553235125
oct261562735653127
947216206717857
1012213133203031
11398961932a902
121452ba1722507
136a790287b0c7
14303193dc0915
15162a59359371
hexb1b97775657

12213133203031 has 6 divisors (see below), whose sum is σ = 12552139093200. Its totient is φ = 11883048520536.

The previous prime is 12213133203013. The next prime is 12213133203067. The reversal of 12213133203031 is 13030233131221.

It is not a de Polignac number, because 12213133203031 - 213 = 12213133194839 is a prime.

It is a super-2 number, since 2×122131332030312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213133202987 and 12213133203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213133203331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4460602431 + ... + 4460605168.

It is an arithmetic number, because the mean of its divisors is an integer number (2092023182200).

Almost surely, 212213133203031 is an apocalyptic number.

12213133203031 is a deficient number, since it is larger than the sum of its proper divisors (339005890169).

12213133203031 is an frugal number, since it uses more digits than its factorization.

12213133203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921207673 (or 8921207636 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12213133203031 its reverse (13030233131221), we get a palindrome (25243366334252).

The spelling of 12213133203031 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred three thousand, thirty-one".

Divisors: 1 37 1369 8921207599 330084681163 12213133203031