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1222000010012 = 2243322716927
BaseRepresentation
bin10001110010000100111…
…000000110001100011100
311022211012021121102012002
4101302010320012030130
5130010124000310022
62333213513101432
7154200204462635
oct21620470061434
94284167542162
101222000010012
1143127a16a251
121789b93b7878
138b307441402
14432062ac88c
1521bc131c092
hex11c84e0631c

1222000010012 has 48 divisors (see below), whose sum is σ = 2199190963200. Its totient is φ = 594126567216.

The previous prime is 1222000010009. The next prime is 1222000010017. The reversal of 1222000010012 is 2100100002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1222000009975 and 1222000010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000010017) 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, 72183893 + ... + 72200819.

It is an arithmetic number, because the mean of its divisors is an integer number (45816478400).

Almost surely, 21222000010012 is an apocalyptic number.

It is an amenable number.

1222000010012 is a deficient number, since it is larger than the sum of its proper divisors (977190953188).

1222000010012 is an equidigital number, since it uses as much as digits as its factorization.

1222000010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287 (or 17199 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1222000010012 its reverse (2100100002221), we get a palindrome (3322100012233).

The spelling of 1222000010012 in words is "one trillion, two hundred twenty-two billion, ten thousand, twelve".

Divisors: 1 2 4 43 86 172 227 454 908 1849 3698 7396 9761 16927 19522 33854 39044 67708 79507 159014 318028 419723 727861 839446 1455722 1678892 2911444 3842429 7684858 15369716 18048089 31298023 36096178 62596046 72192356 125192092 165224447 330448894 660897788 1345814989 2691629978 5383259956 7104651221 14209302442 28418604884 305500002503 611000005006 1222000010012