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2012122222331 = 13757320438219
BaseRepresentation
bin11101010001111011110…
…101001000111011111011
321010100122020221112211112
4131101323311020323323
5230431311242103311
64140204534150535
7265241156460104
oct35217365107373
97110566845745
102012122222331
117063775a1951
12285b677b244b
13117985b204b0
146d55c8053ab
153751734228b
hex1d47bd48efb

2012122222331 has 8 divisors (see below), whose sum is σ = 2167187095920. Its totient is φ = 1857098240352.

The previous prime is 2012122222277. The next prime is 2012122222373. The reversal of 2012122222331 is 1332222212102.

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 2012122222331 - 218 = 2012121960187 is a prime.

It is a super-2 number, since 2×20121222223312 (a number of 25 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 = 2012122222297 and 2012122222306.

It is not an unprimeable number, because it can be changed into a prime (2012422222331) 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, 10120661 + ... + 10317558.

It is an arithmetic number, because the mean of its divisors is an integer number (270898386990).

Almost surely, 22012122222331 is an apocalyptic number.

2012122222331 is a deficient number, since it is larger than the sum of its proper divisors (155064873589).

2012122222331 is a wasteful number, since it uses less digits than its factorization.

2012122222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20445805.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2012122222331 its reverse (1332222212102), we get a palindrome (3344344434433).

The spelling of 2012122222331 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred thirty-one".

Divisors: 1 13 7573 98449 20438219 265696847 154778632487 2012122222331