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2212011220012 = 221167750343019
BaseRepresentation
bin100000001100000110001…
…001001001110000101100
321211110120212100201202221
4200030012021021300230
5242220144333020022
64412103421125124
7315545462066146
oct40140611116054
97743525321687
102212011220012
117831217373a0
122b88520b97a4
13130790146009
14790c1c6dc96
153c815b8bcc7
hex20306249c2c

2212011220012 has 24 divisors (see below), whose sum is σ = 4285959330240. Its totient is φ = 990452783760.

The previous prime is 2212011219973. The next prime is 2212011220019. The reversal of 2212011220012 is 2100221102122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2212011220019) 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, 375168562 + ... + 375174457.

It is an arithmetic number, because the mean of its divisors is an integer number (178581638760).

Almost surely, 22212011220012 is an apocalyptic number.

2212011220012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2212011220012 is a deficient number, since it is larger than the sum of its proper divisors (2073948110228).

2212011220012 is a wasteful number, since it uses less digits than its factorization.

2212011220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750343101 (or 750343099 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2212011220012 its reverse (2100221102122), we get a palindrome (4312232322134).

The spelling of 2212011220012 in words is "two trillion, two hundred twelve billion, eleven million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 11 22 44 67 134 268 737 1474 2948 750343019 1500686038 3001372076 8253773209 16507546418 33015092836 50272982273 100545964546 201091929092 553002805003 1106005610006 2212011220012