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12211131213331 = 419213113675979
BaseRepresentation
bin1011000110110010000000…
…1000110110011000010011
31121020101001201201000101021
42301230200020312120103
53100031344042311311
641545414412420311
72400140133505351
oct261544010663023
947211051630337
1012211131213331
113988791254366
121452723177697
136a7673b8820b
143030441687d1
1516298d702171
hexb1b20236613

12211131213331 has 8 divisors (see below), whose sum is σ = 12246019531200. Its totient is φ = 12176270252520.

The previous prime is 12211131213311. The next prime is 12211131213349. The reversal of 12211131213331 is 13331213111221.

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 12211131213331 - 211 = 12211131211283 is a prime.

It is a super-2 number, since 2×122111312133312 (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 = 12211131213296 and 12211131213305.

It is not an unprimeable number, because it can be changed into a prime (12211131213301) 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, 5945101 + ... + 7730878.

It is an arithmetic number, because the mean of its divisors is an integer number (1530752441400).

Almost surely, 212211131213331 is an apocalyptic number.

12211131213331 is a deficient number, since it is larger than the sum of its proper divisors (34888317869).

12211131213331 is a wasteful number, since it uses less digits than its factorization.

12211131213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13678529.

The product of its digits is 648, while the sum is 25.

Adding to 12211131213331 its reverse (13331213111221), we get a palindrome (25542344324552).

The spelling of 12211131213331 in words is "twelve trillion, two hundred eleven billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 419 2131 892889 13675979 5730235201 29143511249 12211131213331