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122222010012 = 22325457400093
BaseRepresentation
bin111000111010011111…
…1111101111010011100
3102200110212021102012120
41301310333331322130
54000302313310022
6132051545502540
711554526641464
oct1616477757234
9380425242176
10122222010012
114791a158133
121b82baa1a50
13b6aa653cab
145cb64b2ba4
1532a50bdd5c
hex1c74ffde9c

122222010012 has 24 divisors (see below), whose sum is σ = 285196605456. Its totient is φ = 40738967808.

The previous prime is 122222010007. The next prime is 122222010013. The reversal of 122222010012 is 210010222221.

122222010012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 122222009973 and 122222010000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222010013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105438 + ... + 505530.

It is an arithmetic number, because the mean of its divisors is an integer number (11883191894).

Almost surely, 2122222010012 is an apocalyptic number.

122222010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122222010012 is an abundant number, since it is smaller than the sum of its proper divisors (162974595444).

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

122222010012 is a wasteful number, since it uses less digits than its factorization.

122222010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425557 (or 425555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122222010012 its reverse (210010222221), we get a palindrome (332232232233).

The spelling of 122222010012 in words is "one hundred twenty-two billion, two hundred twenty-two million, ten thousand, twelve".

Divisors: 1 2 3 4 6 12 25457 50914 76371 101828 152742 305484 400093 800186 1200279 1600372 2400558 4801116 10185167501 20370335002 30555502503 40740670004 61111005006 122222010012