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112100212220 = 2257286976919
BaseRepresentation
bin110100001100110110…
…0010111110111111100
3101201100110022210220212
41220121230113313330
53314040123242340
6123255332331552
711045643040103
oct1503154276774
9351313283825
10112100212220
11435a5713697
1219886173bb8
13a756660529
1455d60c703a
152db16a2a65
hex1a19b17dfc

112100212220 has 24 divisors (see below), whose sum is σ = 235416736800. Its totient is φ = 44838886592.

The previous prime is 112100212219. The next prime is 112100212229. The reversal of 112100212220 is 22212001211.

112100212220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 112100212195 and 112100212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100212229) 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, 1418921 + ... + 1495839.

It is an arithmetic number, because the mean of its divisors is an integer number (9809030700).

Almost surely, 2112100212220 is an apocalyptic number.

112100212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100212220 is an abundant number, since it is smaller than the sum of its proper divisors (123316524580).

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

112100212220 is a wasteful number, since it uses less digits than its factorization.

112100212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149797 (or 149795 counting only the distinct ones).

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

Adding to 112100212220 its reverse (22212001211), we get a palindrome (134312213431).

The spelling of 112100212220 in words is "one hundred twelve billion, one hundred million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 72869 76919 145738 153838 291476 307676 364345 384595 728690 769190 1457380 1538380 5605010611 11210021222 22420042444 28025053055 56050106110 112100212220