Search a number
-
+
1212210120022 = 21155100460001
BaseRepresentation
bin10001101000111101010…
…110101000010101010110
311021212221000012110210221
4101220331112220111112
5124330101242320042
62324514233504554
7153402461003416
oct21507526502526
94255830173727
101212210120022
11428106012a80
12176b2687215a
138a40713abb5
1442958000646
15217ebb13d67
hex11a3d5a8556

1212210120022 has 8 divisors (see below), whose sum is σ = 1983616560072. Its totient is φ = 551004600000.

The previous prime is 1212210119977. The next prime is 1212210120047. The reversal of 1212210120022 is 2200210122121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1212210119978 and 1212210120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27550229979 + ... + 27550230022.

It is an arithmetic number, because the mean of its divisors is an integer number (247952070009).

Almost surely, 21212210120022 is an apocalyptic number.

1212210120022 is a deficient number, since it is larger than the sum of its proper divisors (771406440050).

1212210120022 is a wasteful number, since it uses less digits than its factorization.

1212210120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55100460014.

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

Adding to 1212210120022 its reverse (2200210122121), we get a palindrome (3412420242143).

The spelling of 1212210120022 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand, twenty-two".

Divisors: 1 2 11 22 55100460001 110200920002 606105060011 1212210120022