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122421012132 = 22356891179321
BaseRepresentation
bin111001000000011011…
…1000110011010100100
3102200222201201202210110
41302000313012122210
54001204234342012
6132123415053020
711562464301546
oct1620067063244
9380881652713
10122421012132
1147a115193a1
121b886671170
13b70c94c023
145cd4ab5696
1532b77cc73c
hex1c80dc66a4

122421012132 has 24 divisors (see below), whose sum is σ = 285655642272. Its totient is φ = 40806059200.

The previous prime is 122421012127. The next prime is 122421012143. The reversal of 122421012132 is 231210124221.

It is a happy number.

It is a super-2 number, since 2×1224210121322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122421012099 and 122421012108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593032 + ... + 772352.

It is an arithmetic number, because the mean of its divisors is an integer number (11902318428).

Almost surely, 2122421012132 is an apocalyptic number.

122421012132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122421012132 is an abundant number, since it is smaller than the sum of its proper divisors (163234630140).

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

122421012132 is a wasteful number, since it uses less digits than its factorization.

122421012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236219 (or 236217 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122421012132 its reverse (231210124221), we get a palindrome (353631136353).

The spelling of 122421012132 in words is "one hundred twenty-two billion, four hundred twenty-one million, twelve thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 56891 113782 170673 179321 227564 341346 358642 537963 682692 717284 1075926 2151852 10201751011 20403502022 30605253033 40807004044 61210506066 122421012132