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2120212031200 = 25522650265039
BaseRepresentation
bin11110110110100110011…
…111000010011011100000
321111200122012222202120221
4132312212133002123200
5234214143234444300
64302002330012424
7306115554624154
oct36664637023340
97450565882527
102120212031200
117481a44660aa
122a2ab2877114
13124c20658c93
147489402b064
153a2418b731a
hex1eda67c26e0

2120212031200 has 36 divisors (see below), whose sum is σ = 5175967623120. Its totient is φ = 848084812160.

The previous prime is 2120212031173. The next prime is 2120212031237. The reversal of 2120212031200 is 21302120212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1325131720 + ... + 1325133319.

It is an arithmetic number, because the mean of its divisors is an integer number (143776878420).

Almost surely, 22120212031200 is an apocalyptic number.

2120212031200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120212031200 is an abundant number, since it is smaller than the sum of its proper divisors (3055755591920).

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

2120212031200 is a wasteful number, since it uses less digits than its factorization.

2120212031200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650265059 (or 2650265046 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2120212031200 its reverse (21302120212), we get a palindrome (2141514151412).

The spelling of 2120212031200 in words is "two trillion, one hundred twenty billion, two hundred twelve million, thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 2650265039 5300530078 10601060156 13251325195 21202120312 26502650390 42404240624 53005300780 66256625975 84808481248 106010601560 132513251950 212021203120 265026503900 424042406240 530053007800 1060106015600 2120212031200