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2002122012 = 2231115167591
BaseRepresentation
bin111011101010101…
…1111010100011100
312011112100100002010
41313111133110130
513100020401022
6530400231220
7100420520262
oct16725372434
95145310063
102002122012
119381669a0
1247a60b510
1325ba3b1a7
1414dc8c432
15bab8150c
hex7755f51c

2002122012 has 24 divisors (see below), whose sum is σ = 5096310912. Its totient is φ = 606703600.

The previous prime is 2002122007. The next prime is 2002122013. The reversal of 2002122012 is 2102212002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002122013) 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 7 ways as a sum of consecutive naturals, for example, 7583664 + ... + 7583927.

It is an arithmetic number, because the mean of its divisors is an integer number (212346288).

Almost surely, 22002122012 is an apocalyptic number.

2002122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2002122012 is an abundant number, since it is smaller than the sum of its proper divisors (3094188900).

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

2002122012 is a wasteful number, since it uses less digits than its factorization.

2002122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15167609 (or 15167607 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2002122012 is about 44745.0780756945. The cubic root of 2002122012 is about 1260.3664869927.

Adding to 2002122012 its reverse (2102212002), we get a palindrome (4104334014).

It can be divided in two parts, 200 and 2122012, that added together give a palindrome (2122212).

The spelling of 2002122012 in words is "two billion, two million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 15167591 30335182 45502773 60670364 91005546 166843501 182011092 333687002 500530503 667374004 1001061006 2002122012