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2211012112212 = 2232277392214103
BaseRepresentation
bin100000001011001010100…
…101110110111101010100
321211101000020100210112100
4200023022211312331110
5242211123100042322
64411420330522100
7315511640602341
oct40131245667524
97741006323470
102211012112212
11782759772972
122b8613596330
1313066115bc77
14790292b57c8
153c7a80d4dac
hex202ca976f54

2211012112212 has 36 divisors (see below), whose sum is σ = 5589151291360. Its totient is φ = 736977135312.

The previous prime is 2211012112037. The next prime is 2211012112247. The reversal of 2211012112212 is 2122112101122.

2211012112212 is a `hidden beast` number, since 221 + 10 + 1 + 211 + 221 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108448 + ... + 2105655.

Almost surely, 22211012112212 is an apocalyptic number.

It is an amenable number.

2211012112212 is an abundant number, since it is smaller than the sum of its proper divisors (3378139179148).

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

2211012112212 is a wasteful number, since it uses less digits than its factorization.

2211012112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241852 (or 2241847 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2211012112212 its reverse (2122112101122), we get a palindrome (4333124213334).

The spelling of 2211012112212 in words is "two trillion, two hundred eleven billion, twelve million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 27739 55478 83217 110956 166434 249651 332868 499302 998604 2214103 4428206 6642309 8856412 13284618 19926927 26569236 39853854 79707708 61417003117 122834006234 184251009351 245668012468 368502018702 552753028053 737004037404 1105506056106 2211012112212