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12220110201021 = 373124334488023
BaseRepresentation
bin1011000111010011011101…
…0100111110000010111101
31121021020020111020211220220
42301310313110332002331
53100203241202413041
641553501403331553
72400605502603132
oct261646724760275
947236214224826
1012220110201021
1139915796a3748
12145440a220bb9
136a847518c398
14303656870589
15162d16b2cd66
hexb1d3753e0bd

12220110201021 has 16 divisors (see below), whose sum is σ = 16518010763136. Its totient is φ = 8034492888576.

The previous prime is 12220110201007. The next prime is 12220110201043. The reversal of 12220110201021 is 12010201102221.

It is not a de Polignac number, because 12220110201021 - 218 = 12220109938877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220110201421) 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, 478816 + ... + 4966838.

It is an arithmetic number, because the mean of its divisors is an integer number (1032375672696).

Almost surely, 212220110201021 is an apocalyptic number.

It is an amenable number.

12220110201021 is a deficient number, since it is larger than the sum of its proper divisors (4297900562115).

12220110201021 is a wasteful number, since it uses less digits than its factorization.

12220110201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500532.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12220110201021 its reverse (12010201102221), we get a palindrome (24230311303242).

The spelling of 12220110201021 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, two hundred one thousand, twenty-one".

Divisors: 1 3 73 219 12433 37299 907609 2722827 4488023 13464069 327625679 982877037 55799589959 167398769877 4073370067007 12220110201021