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120212021111201 = 197610213305133
BaseRepresentation
bin11011010101010100001010…
…110100001110100110100001
3120202122011020102220102220122
4123111110022310032212201
5111224023204401024301
61103400350133050025
734215013642662455
oct3325241264164641
9522564212812818
10120212021111201
11353376a4aa6158
1211595a8a786915
13520cc390927a6
1421984158a6665
15dd6ecd11a81b
hex6d550ad0e9a1

120212021111201 has 4 divisors (see below), whose sum is σ = 120822234416532. Its totient is φ = 119601807805872.

The previous prime is 120212021111197. The next prime is 120212021111227. The reversal of 120212021111201 is 102111120212021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116772661699600 + 3439359411601 = 10806140^2 + 1854551^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212021111201 - 22 = 120212021111197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120212021111201.

It is not an unprimeable number, because it can be changed into a prime (120212021111801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305106652370 + ... + 305106652763.

It is an arithmetic number, because the mean of its divisors is an integer number (30205558604133).

Almost surely, 2120212021111201 is an apocalyptic number.

It is an amenable number.

120212021111201 is a deficient number, since it is larger than the sum of its proper divisors (610213305331).

120212021111201 is an equidigital number, since it uses as much as digits as its factorization.

120212021111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610213305330.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120212021111201 its reverse (102111120212021), we get a palindrome (222323141323222).

The spelling of 120212021111201 in words is "one hundred twenty trillion, two hundred twelve billion, twenty-one million, one hundred eleven thousand, two hundred one".

Divisors: 1 197 610213305133 120212021111201