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202120211012 = 22211239478923
BaseRepresentation
bin1011110000111101001…
…1011010101001000100
3201022201002211120020012
42330033103122221010
511302420233223022
6232504105325352
720413504306136
oct2741723325104
9638632746205
10202120211012
117879a654105
1233209796858
13160a16654c5
149ad590d056
1553ce67ede2
hex2f0f4daa44

202120211012 has 12 divisors (see below), whose sum is σ = 355386723216. Its totient is φ = 100581147240.

The previous prime is 202120210993. The next prime is 202120211101. The reversal of 202120211012 is 210112021202.

202120211012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 119738618 + ... + 119740305.

It is an arithmetic number, because the mean of its divisors is an integer number (29615560268).

Almost surely, 2202120211012 is an apocalyptic number.

It is an amenable number.

202120211012 is a deficient number, since it is larger than the sum of its proper divisors (153266512204).

202120211012 is a wasteful number, since it uses less digits than its factorization.

202120211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239479138 (or 239479136 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202120211012 its reverse (210112021202), we get a palindrome (412232232214).

The spelling of 202120211012 in words is "two hundred two billion, one hundred twenty million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 211 422 844 239478923 478957846 957915692 50530052753 101060105506 202120211012