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12021200110 = 2579132711467
BaseRepresentation
bin10110011001000010…
…01111010011101110
31011000210000020102201
423030201033103232
5144104411400420
65304504012114
7603616341433
oct131441172356
934023006381
1012021200110
115109721627
1223b5a6103a
13119767827a
14820779b8a
154a555c10a
hex2cc84f4ee

12021200110 has 32 divisors (see below), whose sum is σ = 21930485760. Its totient is φ = 4743621792.

The previous prime is 12021200077. The next prime is 12021200111. The reversal of 12021200110 is 1100212021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021200111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042597 + ... + 1054063.

It is an arithmetic number, because the mean of its divisors is an integer number (685327680).

Almost surely, 212021200110 is an apocalyptic number.

12021200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021200110 is a deficient number, since it is larger than the sum of its proper divisors (9909285650).

12021200110 is a wasteful number, since it uses less digits than its factorization.

12021200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021200110 its reverse (1100212021), we get a palindrome (13121412131).

The spelling of 12021200110 in words is "twelve billion, twenty-one million, two hundred thousand, one hundred ten".

Divisors: 1 2 5 10 79 158 395 790 1327 2654 6635 11467 13270 22934 57335 104833 114670 209666 524165 905893 1048330 1811786 4529465 9058930 15216709 30433418 76083545 152167090 1202120011 2404240022 6010600055 12021200110