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3012312212000 = 2553713171925621
BaseRepresentation
bin101011110101011011110…
…011001010001000100000
3101122222022012212110010222
4223311123303022020200
5343323203411241000
610223500452542212
7430426622221640
oct53653363121040
911588265773128
103012312212000
11a615727928a3
12407981321968
1318b0a1579b50
14a5b22186520
15535555d6a85
hex2bd5bcca220

3012312212000 has 768 divisors, whose sum is σ = 10153100805120. Its totient is φ = 850010112000.

The previous prime is 3012312211999. The next prime is 3012312212009. The reversal of 3012312212000 is 2122132103.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 3012312212000.

It is not an unprimeable number, because it can be changed into a prime (3012312212009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 117559190 + ... + 117584810.

It is an arithmetic number, because the mean of its divisors is an integer number (13220183340).

Almost surely, 23012312212000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012312212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5076550402560).

3012312212000 is an abundant number, since it is smaller than the sum of its proper divisors (7140788593120).

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

3012312212000 is a wasteful number, since it uses less digits than its factorization.

3012312212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25702 (or 25684 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 3012312212000 its reverse (2122132103), we get a palindrome (3014434344103).

The spelling of 3012312212000 in words is "three trillion, twelve billion, three hundred twelve million, two hundred twelve thousand".