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122420213330 = 25475914929629
BaseRepresentation
bin111001000000011010…
…0000011011001010010
3102200222200020012001012
41302000310003121102
54001204033311310
6132123350010522
711562454433642
oct1620064033122
9380880205035
10122420213330
1147a11023228
121b886346a42
13b70c72c56c
145cd4948522
1532b76c0c05
hex1c80d03652

122420213330 has 64 divisors (see below), whose sum is σ = 230402880000. Its totient is φ = 46796122368.

The previous prime is 122420213329. The next prime is 122420213339. The reversal of 122420213330 is 33312024221.

It is a junction number, because it is equal to n+sod(n) for n = 122420213296 and 122420213305.

It is not an unprimeable number, because it can be changed into a prime (122420213339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4116956 + ... + 4146584.

It is an arithmetic number, because the mean of its divisors is an integer number (3600045000).

Almost surely, 2122420213330 is an apocalyptic number.

122420213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122420213330 is a deficient number, since it is larger than the sum of its proper divisors (107982666670).

122420213330 is a wasteful number, since it uses less digits than its factorization.

122420213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29891.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 122420213330 its reverse (33312024221), we get a palindrome (155732237551).

The spelling of 122420213330 in words is "one hundred twenty-two billion, four hundred twenty million, two hundred thirteen thousand, three hundred thirty".

Divisors: 1 2 5 10 47 59 94 118 149 235 295 298 470 590 745 1490 2773 5546 7003 8791 13865 14006 17582 27730 29629 35015 43955 59258 70030 87910 148145 296290 413177 826354 1392563 1748111 2065885 2785126 3496222 4131770 4414721 6962815 8740555 8829442 13925630 17481110 22073605 44147210 82161217 164322434 207491887 260468539 410806085 414983774 520937078 821612170 1037459435 1302342695 2074918870 2604685390 12242021333 24484042666 61210106665 122420213330