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2012000002221 = 311193208931423
BaseRepresentation
bin11101010001110100100…
…010111010000010101101
321010100022201222010100210
4131101310202322002231
5230431034000032341
64140144450413033
7265235143561206
oct35216442720255
97110281863323
102012000002221
117063146040a0
12285b32891179
131179666c9bc1
146d54a4ac5ad
153750b74dc16
hex1d4748ba0ad

2012000002221 has 16 divisors (see below), whose sum is σ = 3080574167040. Its totient is φ = 1155215311920.

The previous prime is 2012000002213. The next prime is 2012000002223. The reversal of 2012000002221 is 1222000002102.

It is not a de Polignac number, because 2012000002221 - 23 = 2012000002213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012000002197 and 2012000002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012000002223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1604465085 + ... + 1604466338.

It is an arithmetic number, because the mean of its divisors is an integer number (192535885440).

Almost surely, 22012000002221 is an apocalyptic number.

It is an amenable number.

2012000002221 is a deficient number, since it is larger than the sum of its proper divisors (1068574164819).

2012000002221 is a wasteful number, since it uses less digits than its factorization.

2012000002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208931456.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2012000002221 its reverse (1222000002102), we get a palindrome (3234000004323).

The spelling of 2012000002221 in words is "two trillion, twelve billion, two thousand, two hundred twenty-one".

Divisors: 1 3 11 19 33 57 209 627 3208931423 9626794269 35298245653 60969697037 105894736959 182909091111 670666667407 2012000002221