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120000221112020 = 2256000011055601
BaseRepresentation
bin11011010010001110111010…
…100011010110011011010100
3120201212220112201211200121112
4123102032322203112123110
5111212040423101041040
61103115201320034152
734163505226461464
oct3322167243263324
9521786481750545
10120000221112020
1135265898466a17
1211560a1b302958
1351c5c841965a2
14218c082589ba4
15dd1733c80365
hex6d23ba8d66d4

120000221112020 has 12 divisors (see below), whose sum is σ = 252000464335284. Its totient is φ = 48000088444800.

The previous prime is 120000221112019. The next prime is 120000221112041. The reversal of 120000221112020 is 20211122000021.

It can be written as a sum of positive squares in 2 ways, for example, as 93997911343504 + 26002309768516 = 9695252^2 + 5099246^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120000221111986 and 120000221112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000005527781 + ... + 3000005527820.

It is an arithmetic number, because the mean of its divisors is an integer number (21000038694607).

Almost surely, 2120000221112020 is an apocalyptic number.

120000221112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120000221112020 is an abundant number, since it is smaller than the sum of its proper divisors (132000243223264).

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

120000221112020 is a wasteful number, since it uses less digits than its factorization.

120000221112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000011055610 (or 6000011055608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120000221112020 its reverse (20211122000021), we get a palindrome (140211343112041).

The spelling of 120000221112020 in words is "one hundred twenty trillion, two hundred twenty-one million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 6000011055601 12000022111202 24000044222404 30000055278005 60000110556010 120000221112020