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20122002120000 = 263541126895669
BaseRepresentation
bin1001001001101000001001…
…10010011101110101000000
32122020122101220222100110210
410210310010302131311000
510114134330020320000
6110443530430554120
74144523653645554
oct444640462356500
978218356870423
1020122002120000
116458769687590
12230b941968940
13b2c65c2083a1
144d7ca5451864
1524d6459bc350
hex124d04c9dd40

20122002120000 has 560 divisors, whose sum is σ = 72615834244800. Its totient is φ = 4875386880000.

The previous prime is 20122002119987. The next prime is 20122002120019. The reversal of 20122002120000 is 2120022102.

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

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, 3549477166 + ... + 3549482834.

It is an arithmetic number, because the mean of its divisors is an integer number (129671132580).

Almost surely, 220122002120000 is an apocalyptic number.

20122002120000 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 20122002120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36307917122400).

20122002120000 is an abundant number, since it is smaller than the sum of its proper divisors (52493832124800).

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

20122002120000 is a wasteful number, since it uses less digits than its factorization.

20122002120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20122002120000 its reverse (2120022102), we get a palindrome (20124122142102).

The spelling of 20122002120000 in words is "twenty trillion, one hundred twenty-two billion, two million, one hundred twenty thousand".