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120011210112020 = 22519315818973979
BaseRepresentation
bin11011010010011001001001…
…100011000011110000010100
3120201220221220120120201200112
4123102121021203003300110
5111212230424242041040
61103124215552302152
734164344443441403
oct3322311143036024
9521827816521615
10120011210112020
113526a5174712a7
1211562b87541958
1351c7015a3c156
14218c805bd563a
15dd1b7889a365
hex6d26498c3c14

120011210112020 has 24 divisors (see below), whose sum is σ = 265287938143200. Its totient is φ = 45477932252832.

The previous prime is 120011210112011. The next prime is 120011210112023. The reversal of 120011210112020 is 20211012110021.

It is a junction number, because it is equal to n+sod(n) for n = 120011210111986 and 120011210112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011210112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157909486610 + ... + 157909487369.

It is an arithmetic number, because the mean of its divisors is an integer number (11053664089300).

Almost surely, 2120011210112020 is an apocalyptic number.

120011210112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120011210112020 is an abundant number, since it is smaller than the sum of its proper divisors (145276728031180).

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

120011210112020 is a wasteful number, since it uses less digits than its factorization.

120011210112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315818974007 (or 315818974005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120011210112020 its reverse (20211012110021), we get a palindrome (140222222222041).

The spelling of 120011210112020 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 315818973979 631637947958 1263275895916 1579094869895 3158189739790 6000560505601 6316379479580 12001121011202 24002242022404 30002802528005 60005605056010 120011210112020