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1121002012 = 221327272281
BaseRepresentation
bin100001011010001…
…0010001000011100
32220010100210200001
41002310102020130
54243434031022
6303122544044
736531234304
oct10264221034
92803323601
101121002012
1152585a449
12273508024
1314b325200
14a8c48604
1568633b27
hex42d1221c

1121002012 has 36 divisors (see below), whose sum is σ = 2128120176. Its totient is φ = 516447360.

The previous prime is 1121001907. The next prime is 1121002039. The reversal of 1121002012 is 2102001211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490312 + ... + 492592.

Almost surely, 21121002012 is an apocalyptic number.

It is an amenable number.

1121002012 is a deficient number, since it is larger than the sum of its proper divisors (1007118164).

1121002012 is a wasteful number, since it uses less digits than its factorization.

1121002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3023 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1121002012 is about 33481.3681321418. The cubic root of 1121002012 is about 1038.8084269512.

Adding to 1121002012 its reverse (2102001211), we get a palindrome (3223003223).

The spelling of 1121002012 in words is "one billion, one hundred twenty-one million, two thousand, twelve".

Divisors: 1 2 4 13 26 52 169 338 676 727 1454 2281 2908 4562 9124 9451 18902 29653 37804 59306 118612 122863 245726 385489 491452 770978 1541956 1658287 3316574 6633148 21557731 43115462 86230924 280250503 560501006 1121002012