Search a number
-
+
1213122022 = 274117911807
BaseRepresentation
bin100100001001110…
…1100010111100110
310010112200222120021
41020103230113212
54441024401042
6320213225354
742030236620
oct11023542746
93115628507
101213122022
11572859592
1229a33225a
1316443a0a8
14b7187c10
157177d867
hex484ec5e6

1213122022 has 32 divisors (see below), whose sum is σ = 2142443520. Its totient is φ = 504352320.

The previous prime is 1213122017. The next prime is 1213122059. The reversal of 1213122022 is 2202213121.

It is a happy number.

It is a super-2 number, since 2×12131220222 = 2943330080522736968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1213121987 and 1213122005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96843 + ... + 108649.

It is an arithmetic number, because the mean of its divisors is an integer number (66951360).

Almost surely, 21213122022 is an apocalyptic number.

1213122022 is a deficient number, since it is larger than the sum of its proper divisors (929321498).

1213122022 is a wasteful number, since it uses less digits than its factorization.

1213122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1213122022 is about 34829.9012631388. The cubic root of 1213122022 is about 1066.5179327557.

Adding to 1213122022 its reverse (2202213121), we get a palindrome (3415335143).

The spelling of 1213122022 in words is "one billion, two hundred thirteen million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 7 14 41 82 179 287 358 574 1253 2506 7339 11807 14678 23614 51373 82649 102746 165298 484087 968174 2113453 3388609 4226906 6777218 14794171 29588342 86651573 173303146 606561011 1213122022