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20122101120012 = 2232184197677179
BaseRepresentation
bin1001001001101000010101…
…01100000111110000001100
32122020122122211021001221220
410210310022230013300030
510114140030341320022
6110443544324523340
74144526265304413
oct444641254076014
978218584231856
1020122101120012
11645880a555781
12230b96ab50550
13b2c67688b988
144d7cb466247a
1524d64e52585c
hex124d0ab07c0c

20122101120012 has 24 divisors (see below), whose sum is σ = 46951790356800. Its totient is φ = 6707335457616.

The previous prime is 20122101119987. The next prime is 20122101120013. The reversal of 20122101120012 is 21002110122102.

It is a junction number, because it is equal to n+sod(n) for n = 20122101119973 and 20122101120000.

It is not an unprimeable number, because it can be changed into a prime (20122101120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217562 + ... + 6459617.

It is an arithmetic number, because the mean of its divisors is an integer number (1956324598200).

Almost surely, 220122101120012 is an apocalyptic number.

It is an amenable number.

20122101120012 is an abundant number, since it is smaller than the sum of its proper divisors (26829689236788).

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

20122101120012 is a wasteful number, since it uses less digits than its factorization.

20122101120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7895605 (or 7895603 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20122101120012 its reverse (21002110122102), we get a palindrome (41124211242114).

The spelling of 20122101120012 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, one hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 218419 436838 655257 873676 1310514 2621028 7677179 15354358 23031537 30708716 46063074 92126148 1676841760001 3353683520002 5030525280003 6707367040004 10061050560006 20122101120012