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122023220222131 = 2973191301778473
BaseRepresentation
bin11011101111101010111110…
…101100100001100010110011
3121000001022021000120101110121
4123233222332230201202303
5111443212023334102011
61111304405443511111
734462613102261644
oct3357527654414263
9530038230511417
10122023220222131
1135975836749618
1211828b01688497
135311981567a47
14221bd537756cb
15e19185e43e71
hex6efabeb218b3

122023220222131 has 16 divisors (see below), whose sum is σ = 128630056757760. Its totient is φ = 115593225914880.

The previous prime is 122023220222129. The next prime is 122023220222143. The reversal of 122023220222131 is 131222022320221.

It is not a de Polignac number, because 122023220222131 - 21 = 122023220222129 is a prime.

It is a super-2 number, since 2×1220232202221312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122023220222096 and 122023220222105.

It is not an unprimeable number, because it can be changed into a prime (122023220222191) 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, 150484890 + ... + 151293583.

It is an arithmetic number, because the mean of its divisors is an integer number (8039378547360).

Almost surely, 2122023220222131 is an apocalyptic number.

122023220222131 is a deficient number, since it is larger than the sum of its proper divisors (6606836535629).

122023220222131 is a wasteful number, since it uses less digits than its factorization.

122023220222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301778766.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122023220222131 its reverse (131222022320221), we get a palindrome (253245242542352).

The spelling of 122023220222131 in words is "one hundred twenty-two trillion, twenty-three billion, two hundred twenty million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 29 73 191 2117 5539 13943 404347 301778473 8751575717 22029828529 57639688343 638865027341 1671550961947 4207697249039 122023220222131