Search a number
-
+
1210213222012 = 22505495985347
BaseRepresentation
bin10001100111000110010…
…101000100011001111100
311021200202211200112201101
4101213012111010121330
5124312004041101022
62323544141222444
7153302132441344
oct21470625043174
94250684615641
101210213222012
114272808a4a43
12176669b61a24
138a17950b742
1442808b11d24
1521731665627
hex119c654467c

1210213222012 has 12 divisors (see below), whose sum is σ = 2117915389800. Its totient is φ = 605094539216.

The previous prime is 1210213221953. The next prime is 1210213222013. The reversal of 1210213222012 is 2102223120121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210213222013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2790478 + ... + 3194869.

It is an arithmetic number, because the mean of its divisors is an integer number (176492949150).

Almost surely, 21210213222012 is an apocalyptic number.

It is an amenable number.

1210213222012 is a deficient number, since it is larger than the sum of its proper divisors (907702167788).

1210213222012 is a wasteful number, since it uses less digits than its factorization.

1210213222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035900 (or 6035898 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1210213222012 its reverse (2102223120121), we get a palindrome (3312436342133).

The spelling of 1210213222012 in words is "one trillion, two hundred ten billion, two hundred thirteen million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 50549 101098 202196 5985347 11970694 23941388 302553305503 605106611006 1210213222012