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1222011220002 = 233894911066333
BaseRepresentation
bin10001110010000101100…
…010110111000000100010
311022211020001200221101220
4101302011202313000202
5130010134333020002
62333214553235510
7154200401662056
oct21620542670042
94284201627356
101222011220002
11431285526501
12178a01102b96
138b309867941
1443207989c66
1521bc22d37bc
hex11c858b7022

1222011220002 has 32 divisors (see below), whose sum is σ = 2455298015040. Its totient is φ = 405462079680.

The previous prime is 1222011219977. The next prime is 1222011220037. The reversal of 1222011220002 is 2000221102221.

It is a super-2 number, since 2×12220112200022 (a number of 25 digits) contains 22 as substring.

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, 612828 + ... + 1679160.

It is an arithmetic number, because the mean of its divisors is an integer number (76728062970).

Almost surely, 21222011220002 is an apocalyptic number.

1222011220002 is an abundant number, since it is smaller than the sum of its proper divisors (1233286795038).

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

1222011220002 is a wasteful number, since it uses less digits than its factorization.

1222011220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067218.

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

Adding to 1222011220002 its reverse (2000221102221), we get a palindrome (3222232322223).

The spelling of 1222011220002 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twenty thousand, two".

Divisors: 1 2 3 6 389 491 778 982 1167 1473 2334 2946 190999 381998 572997 1066333 1145994 2132666 3198999 6397998 414803537 523569503 829607074 1047139006 1244410611 1570708509 2488821222 3141417018 203668536667 407337073334 611005610001 1222011220002