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1222102201012 = 227119463419303
BaseRepresentation
bin10001110010001010111…
…101111011001010110100
311022211110101220020212221
4101302022331323022310
5130010331130413022
62333232003252124
7154202555211610
oct21621275731264
94284411806787
101222102201012
11431321917920
12178a2767a044
138b322671264
1443215ab0340
1521bca2a5cc7
hex11c8af7b2b4

1222102201012 has 48 divisors (see below), whose sum is σ = 2666692933632. Its totient is φ = 476092262880.

The previous prime is 1222102201007. The next prime is 1222102201097. The reversal of 1222102201012 is 2101022012221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704953 + ... + 3124255.

It is an arithmetic number, because the mean of its divisors is an integer number (55556102784).

Almost surely, 21222102201012 is an apocalyptic number.

It is an amenable number.

1222102201012 is an abundant number, since it is smaller than the sum of its proper divisors (1444590732620).

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

1222102201012 is a wasteful number, since it uses less digits than its factorization.

1222102201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428788 (or 428786 counting only the distinct ones).

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

Adding to 1222102201012 its reverse (2101022012221), we get a palindrome (3323124213233).

The spelling of 1222102201012 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 9463 18926 37852 66241 104093 132482 208186 264964 416372 419303 728651 838606 1457302 1677212 2914604 2935121 4612333 5870242 9224666 11740484 18449332 32286331 64572662 129145324 3967864289 7935728578 15871457156 27775050023 43646507179 55550100046 87293014358 111100200092 174586028716 305525550253 611051100506 1222102201012