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212220120012001 = 4710874153929809
BaseRepresentation
bin110000010000001101011000…
…110111100001010011100001
31000211102001020001100100121221
4300100031120313201103201
5210304003301210341001
62031204324403215041
762462253260502253
oct6020153067412341
91024361201310557
10212220120012001
11616900581a8142
121b975820977481
13915536b4a4a7a
143a597198c9cd3
1519804eb9a91a1
hexc10358de14e1

212220120012001 has 8 divisors (see below), whose sum is σ = 216934830397440. Its totient is φ = 207513717488448.

The previous prime is 212220120011959. The next prime is 212220120012011. The reversal of 212220120012001 is 100210021022212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212220120012001 - 213 = 212220120003809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212220120012011) 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, 2076913816 + ... + 2077015993.

It is an arithmetic number, because the mean of its divisors is an integer number (27116853799680).

Almost surely, 2212220120012001 is an apocalyptic number.

It is an amenable number.

212220120012001 is a deficient number, since it is larger than the sum of its proper divisors (4714710385439).

212220120012001 is a wasteful number, since it uses less digits than its factorization.

212220120012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153930943.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212220120012001 its reverse (100210021022212), we get a palindrome (312430141034213).

The spelling of 212220120012001 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty million, twelve thousand, one".

Divisors: 1 47 1087 51089 4153929809 195234701023 4515321702383 212220120012001