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20121402233210 = 252543791246647
BaseRepresentation
bin1001001001100111000010…
…00010000101000101111010
32122020120212010011221111112
410210303201002011011322
510114132112432430320
6110443351121200322
74144503051000515
oct444634102050572
978216763157445
1020121402233210
116458490aa6783
12230b7b4a900a2
13b2c594b4c1a5
144d7c498d7d7c
1524d60cec2ec5
hex124ce108517a

20121402233210 has 16 divisors (see below), whose sum is σ = 36232766505216. Its totient is φ = 8045395896528.

The previous prime is 20121402233147. The next prime is 20121402233221. The reversal of 20121402233210 is 1233220412102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395597894 + ... + 395648753.

It is an arithmetic number, because the mean of its divisors is an integer number (2264547906576).

Almost surely, 220121402233210 is an apocalyptic number.

20121402233210 is a deficient number, since it is larger than the sum of its proper divisors (16111364272006).

20121402233210 is a wasteful number, since it uses less digits than its factorization.

20121402233210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791249197.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20121402233210 its reverse (1233220412102), we get a palindrome (21354622645312).

The spelling of 20121402233210 in words is "twenty trillion, one hundred twenty-one billion, four hundred two million, two hundred thirty-three thousand, two hundred ten".

Divisors: 1 2 5 10 2543 5086 12715 25430 791246647 1582493294 3956233235 7912466470 2012140223321 4024280446642 10060701116605 20121402233210