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1011222012 = 2231312572503
BaseRepresentation
bin111100010001100…
…000010111111100
32121110210101211010
4330101200113330
54032333101022
6244201555220
734026150063
oct7421402774
92543711733
101011222012
11479899079
122427a5b10
13131669028
149842d1da
155db9b50c
hex3c4605fc

1011222012 has 48 divisors (see below), whose sum is σ = 2387734272. Its totient is φ = 333066240.

The previous prime is 1011222001. The next prime is 1011222031. The reversal of 1011222012 is 2102221101.

1011222012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 402753 + ... + 405255.

It is an arithmetic number, because the mean of its divisors is an integer number (49744464).

Almost surely, 21011222012 is an apocalyptic number.

1011222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011222012 is an abundant number, since it is smaller than the sum of its proper divisors (1376512260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011222012 is a wasteful number, since it uses less digits than its factorization.

1011222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1011222012 is about 31799.7171685536. The cubic root of 1011222012 is about 1003.7267646386.

Adding to 1011222012 its reverse (2102221101), we get a palindrome (3113443113).

The spelling of 1011222012 in words is "one billion, eleven million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 131 257 262 393 514 524 771 786 1028 1542 1572 2503 3084 5006 7509 10012 15018 30036 33667 67334 101001 134668 202002 327893 404004 643271 655786 983679 1286542 1311572 1929813 1967358 2573084 3859626 3934716 7719252 84268501 168537002 252805503 337074004 505611006 1011222012