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112020211212 = 2237133722912107
BaseRepresentation
bin110100001010011101…
…1001100011000001100
3101201010212210100011120
41220110323030120030
53313404133224322
6123243353520540
711043652041030
oct1502473143014
9351125710146
10112020211212
1143564541758
1219863413150
13a742bcc860
1455c96201c0
152da964da5c
hex1a14ecc60c

112020211212 has 192 divisors, whose sum is σ = 331863813120. Its totient is φ = 28617421824.

The previous prime is 112020211183. The next prime is 112020211273. The reversal of 112020211212 is 212112020211.

It is a junction number, because it is equal to n+sod(n) for n = 112020211191 and 112020211200.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9246463 + ... + 9258569.

It is an arithmetic number, because the mean of its divisors is an integer number (1728457360).

Almost surely, 2112020211212 is an apocalyptic number.

112020211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112020211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165931906560).

112020211212 is an abundant number, since it is smaller than the sum of its proper divisors (219843601908).

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

112020211212 is a wasteful number, since it uses less digits than its factorization.

112020211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12400 (or 12398 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112020211212 its reverse (212112020211), we get a palindrome (324132231423).

It can be divided in two parts, 112020211 and 212, that multiplied together give a palindrome (23748284732).

The spelling of 112020211212 in words is "one hundred twelve billion, twenty million, two hundred eleven thousand, two hundred twelve".