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2212001412 = 223184333451
BaseRepresentation
bin1000001111011000…
…0111011010000100
312201011021022111020
42003312013122010
514012233021122
61003254511140
7105546462465
oct20366073204
95634238436
102212001412
11a35687445
125189654b0
1329337419a
1416dac2d6c
15ce2dcc5c
hex83d87684

2212001412 has 12 divisors (see below), whose sum is σ = 5161336656. Its totient is φ = 737333800.

The previous prime is 2212001411. The next prime is 2212001479. The reversal of 2212001412 is 2141002122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2212001391 and 2212001400.

It is not an unprimeable number, because it can be changed into a prime (2212001411) 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, 92166714 + ... + 92166737.

It is an arithmetic number, because the mean of its divisors is an integer number (430111388).

Almost surely, 22212001412 is an apocalyptic number.

It is an amenable number.

2212001412 is an abundant number, since it is smaller than the sum of its proper divisors (2949335244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212001412 is a wasteful number, since it uses less digits than its factorization.

2212001412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184333458 (or 184333456 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212001412 is about 47031.9190763039. The cubic root of 2212001412 is about 1302.9521493191.

Adding to 2212001412 its reverse (2141002122), we get a palindrome (4353003534).

The spelling of 2212001412 in words is "two billion, two hundred twelve million, one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 184333451 368666902 553000353 737333804 1106000706 2212001412