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23212200000000 = 29358113517
BaseRepresentation
bin1010100011100100000101…
…11011110111101000000000
310001012001202010110200101010
411101302002323313220000
511020302041200000000
6121211312032040520
74614011645354064
oct521620273675000
9101161663420333
1023212200000000
11743a269839540
12272a81a993140
13cc4b938518cb
145a3695635aa4
152a3c08b28d50
hex151c82ef7a00

23212200000000 has 720 divisors, whose sum is σ = 84349503688032. Its totient is φ = 5625600000000.

The previous prime is 23212199999981. The next prime is 23212200000013. The reversal of 23212200000000 is 221232.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6599998242 + ... + 6600001758.

Almost surely, 223212200000000 is an apocalyptic number.

23212200000000 is a gapful number since it is divisible by the number (20) 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 23212200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42174751844016).

23212200000000 is an abundant number, since it is smaller than the sum of its proper divisors (61137303688032).

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

23212200000000 is an frugal number, since it uses more digits than its factorization.

23212200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3538 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 23212200000000 its reverse (221232), we get a palindrome (23212200221232).

The spelling of 23212200000000 in words is "twenty-three trillion, two hundred twelve billion, two hundred million", and thus it is an aban number.