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12201202021002 = 2318217111628351
BaseRepresentation
bin1011000110001101000001…
…0011111111001010001010
31121012102102202011210010020
42301203100103333022022
53044401030204133002
641541053235401310
72366336105662641
oct261432023771212
947172382153106
1012201202021002
113984556502195
121450811a53236
136a6750a60097
14302781598358
151625abb7e2bc
hexb18d04ff28a

12201202021002 has 16 divisors (see below), whose sum is σ = 24403743800832. Its totient is φ = 4066844047200.

The previous prime is 12201202020991. The next prime is 12201202021009. The reversal of 12201202021002 is 20012020210221.

It is not an unprimeable number, because it can be changed into a prime (12201202021009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55704874 + ... + 55923477.

It is an arithmetic number, because the mean of its divisors is an integer number (1525233987552).

Almost surely, 212201202021002 is an apocalyptic number.

12201202021002 is an abundant number, since it is smaller than the sum of its proper divisors (12202541779830).

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

12201202021002 is a wasteful number, since it uses less digits than its factorization.

12201202021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111646573.

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

Adding to 12201202021002 its reverse (20012020210221), we get a palindrome (32213222231223).

The spelling of 12201202021002 in words is "twelve trillion, two hundred one billion, two hundred two million, twenty-one thousand, two".

Divisors: 1 2 3 6 18217 36434 54651 109302 111628351 223256702 334885053 669770106 2033533670167 4067067340334 6100601010501 12201202021002