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1220012201202 = 23426834763849
BaseRepresentation
bin10001110000001110011…
…001001101010011110010
311022122001202012021010120
4101300032121031103302
5124442041110414302
62332244343311110
7154100016414654
oct21601631152362
94278052167116
101220012201202
1143044a09a053
1217854374b496
138b07b675092
14430982a86d4
1521b06a669bc
hex11c0e64d4f2

1220012201202 has 16 divisors (see below), whose sum is σ = 2440082080800. Its totient is φ = 406661120672.

The previous prime is 1220012201171. The next prime is 1220012201249. The reversal of 1220012201202 is 2021022100221.

It is an unprimeable number.

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, 2125827 + ... + 2638022.

It is an arithmetic number, because the mean of its divisors is an integer number (152505130050).

Almost surely, 21220012201202 is an apocalyptic number.

1220012201202 is an abundant number, since it is smaller than the sum of its proper divisors (1220069879598).

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

1220012201202 is a wasteful number, since it uses less digits than its factorization.

1220012201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806537.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1220012201202 its reverse (2021022100221), we get a palindrome (3241034301423).

The spelling of 1220012201202 in words is "one trillion, two hundred twenty billion, twelve million, two hundred one thousand, two hundred two".

Divisors: 1 2 3 6 42683 85366 128049 256098 4763849 9527698 14291547 28583094 203335366867 406670733734 610006100601 1220012201202