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1222011010200 = 2335217237792411
BaseRepresentation
bin10001110010000101100…
…010000011110010011000
311022211020001022021121110
4101302011202003302120
5130010134304311300
62333214544540320
7154200400126311
oct21620542036230
94284201267543
101222011010200
114312853a2912
12178a010216a0
138b3097c32b6
1443207933608
1521bc2291550
hex11c85883c98

1222011010200 has 576 divisors, whose sum is σ = 4186992729600. Its totient is φ = 294512025600.

The previous prime is 1222011010139. The next prime is 1222011010211. The reversal of 1222011010200 is 20101102221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 506846995 + ... + 506849405.

It is an arithmetic number, because the mean of its divisors is an integer number (7269084600).

Almost surely, 21222011010200 is an apocalyptic number.

1222011010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222011010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2093496364800).

1222011010200 is an abundant number, since it is smaller than the sum of its proper divisors (2964981719400).

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

1222011010200 is a wasteful number, since it uses less digits than its factorization.

1222011010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2554 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1222011010200 its reverse (20101102221), we get a palindrome (1242112112421).

The spelling of 1222011010200 in words is "one trillion, two hundred twenty-two billion, eleven million, ten thousand, two hundred".