Search a number
-
+
122021020120012 = 22133328877049113
BaseRepresentation
bin11011101111101000111011…
…100011110011001111001100
3121000001002120200200121201221
4123233220323203303033030
5111443143022122320022
61111303403252013124
734462504425566026
oct3357507343631714
9530032520617657
10122021020120012
113597490785a302
12118285a89011a4
1353116c07cba80
14221bbc54ad016
15e190a7c06cc7
hex6efa3b8f33cc

122021020120012 has 24 divisors (see below), whose sum is σ = 229963415200736. Its totient is φ = 56317216733568.

The previous prime is 122021020120003. The next prime is 122021020120019. The reversal of 122021020120012 is 210021020120221.

It is a happy number.

It is a super-2 number, since 2×1220210201200122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122021020120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13785568 + ... + 20834680.

Almost surely, 2122021020120012 is an apocalyptic number.

It is an amenable number.

122021020120012 is a deficient number, since it is larger than the sum of its proper divisors (107942395080724).

122021020120012 is a wasteful number, since it uses less digits than its factorization.

122021020120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7382017 (or 7382015 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021020120012 its reverse (210021020120221), we get a palindrome (332042040240233).

The spelling of 122021020120012 in words is "one hundred twenty-two trillion, twenty-one billion, twenty million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 13 26 52 332887 665774 1331548 4327531 7049113 8655062 14098226 17310124 28196452 91638469 183276938 366553876 2346558079231 4693116158462 9386232316924 30505255030003 61010510060006 122021020120012