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212222020120000 = 2654118910153657
BaseRepresentation
bin110000010000001111001010…
…000111110110110111000000
31000211102020010110201211210021
4300100033022013312313000
5210304021144122320000
62031205241121143224
762462351332241602
oct6020171207666700
91024366113654707
10212222020120000
1161690942817430
121b97607118ab14
1391555b2045827
143a59859dc1172
1519805ad6d911a
hexc103ca1f6dc0

212222020120000 has 560 divisors, whose sum is σ = 586290913227360. Its totient is φ = 75547648000000.

The previous prime is 212222020119973. The next prime is 212222020120013. The reversal of 212222020120000 is 21020222212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3955133172 + ... + 3955186828.

Almost surely, 2212222020120000 is an apocalyptic number.

212222020120000 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 212222020120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293145456613680).

212222020120000 is an abundant number, since it is smaller than the sum of its proper divisors (374068893107360).

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

212222020120000 is a wasteful number, since it uses less digits than its factorization.

212222020120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53890 (or 53865 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212222020120000 its reverse (21020222212), we get a palindrome (212243040342212).

The spelling of 212222020120000 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty million, one hundred twenty thousand".