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122213120130 = 23254051335207
BaseRepresentation
bin111000111010001111…
…0000011100010000010
3102200110020112202120200
41301310132003202002
54000243024321010
6132051031150030
711554361244453
oct1616436034202
9380406482520
10122213120130
1147915136022
121b828b15316
13b6a88607ca
145cb523b12a
1532a4414cc0
hex1c74783882

122213120130 has 48 divisors (see below), whose sum is σ = 317833498944. Its totient is φ = 32582023200.

The previous prime is 122213120093. The next prime is 122213120149. The reversal of 122213120130 is 31021312221.

122213120130 is a `hidden beast` number, since 1 + 2 + 221 + 312 + 0 + 130 = 666.

It is a super-2 number, since 2×1222131201302 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196987 + ... + 532193.

It is an arithmetic number, because the mean of its divisors is an integer number (6621531228).

Almost surely, 2122213120130 is an apocalyptic number.

122213120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122213120130 is an abundant number, since it is smaller than the sum of its proper divisors (195620378814).

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

122213120130 is a wasteful number, since it uses less digits than its factorization.

122213120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339271 (or 339268 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122213120130 its reverse (31021312221), we get a palindrome (153234432351).

The spelling of 122213120130 in words is "one hundred twenty-two billion, two hundred thirteen million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4051 8102 12153 20255 24306 36459 40510 60765 72918 121530 182295 335207 364590 670414 1005621 1676035 2011242 3016863 3352070 5028105 6033726 10056210 15084315 30168630 1357923557 2715847114 4073770671 6789617785 8147541342 12221312013 13579235570 20368853355 24442624026 40737706710 61106560065 122213120130