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122100010222220 = 225151244716522463
BaseRepresentation
bin11011110000110010011111…
…101111001000001010001100
3121000022122110122111120101222
4123300302133233020022030
5112000441310104102340
61111403545332022512
734501302035434142
oct3360623757101214
9530278418446358
10122100010222220
11359a53616a2208
121183b972461a38
135318c9b63c514
14222195a081592
15e1b17c6db8b5
hex6f0c9fbc828c

122100010222220 has 48 divisors (see below), whose sum is σ = 258213596110848. Its totient is φ = 48496730462400.

The previous prime is 122100010222219. The next prime is 122100010222231. The reversal of 122100010222220 is 22222010001221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871292 + ... + 15651171.

It is an arithmetic number, because the mean of its divisors is an integer number (5379449918976).

Almost surely, 2122100010222220 is an apocalyptic number.

122100010222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100010222220 is an abundant number, since it is smaller than the sum of its proper divisors (136113585888628).

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

122100010222220 is a wasteful number, since it uses less digits than its factorization.

122100010222220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525070 (or 16525068 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122100010222220 its reverse (22222010001221), we get a palindrome (144322020223441).

The spelling of 122100010222220 in words is "one hundred twenty-two trillion, one hundred billion, ten million, two hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 2447 3020 4894 9788 12235 24470 48940 369497 738994 1477988 1847485 3694970 7389940 16522463 33044926 66089852 82612315 165224630 330449260 2494891913 4989783826 9979567652 12474459565 24948919130 40430466961 49897838260 80860933922 161721867844 202152334805 404304669610 808609339220 6105000511111 12210001022222 24420002044444 30525002555555 61050005111110 122100010222220