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12220000212140 = 22572973208119813
BaseRepresentation
bin1011000111010011000011…
…0001011001010010101100
31121021012221211021211112122
42301310300301121102230
53100203030023242030
641553442434052112
72400602665655630
oct261646061312254
947235854254478
1012220000212140
1139915225aa446
12145439941a038
136a845845c0c6
14303645ddcdc0
15162d0c1538e5
hexb1d30c594ac

12220000212140 has 192 divisors, whose sum is σ = 30771249788160. Its totient is φ = 3987708641280.

The previous prime is 12220000212139. The next prime is 12220000212209. The reversal of 12220000212140 is 4121200002221.

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, 616756874 + ... + 616776686.

It is an arithmetic number, because the mean of its divisors is an integer number (160266925980).

Almost surely, 212220000212140 is an apocalyptic number.

12220000212140 is a gapful number since it is divisible by the number (10) 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 12220000212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15385624894080).

12220000212140 is an abundant number, since it is smaller than the sum of its proper divisors (18551249576020).

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

12220000212140 is a wasteful number, since it uses less digits than its factorization.

12220000212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22012 (or 22010 counting only the distinct ones).

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

Adding to 12220000212140 its reverse (4121200002221), we get a palindrome (16341200214361).

The spelling of 12220000212140 in words is "twelve trillion, two hundred twenty billion, two hundred twelve thousand, one hundred forty".