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1242202112201 = 23463487239527
BaseRepresentation
bin10010000100111001000…
…001000000000011001001
311101202100012102112112002
4102010321001000003021
5130323012220042301
62350354302200345
7155513632511021
oct22047101000311
94352305375462
101242202112201
114398a6787676
121808b6b830b5
13901a695b12b
14441a1362a81
15224a4baa16b
hex121390400c9

1242202112201 has 16 divisors (see below), whose sum is σ = 1301683298304. Its totient is φ = 1183187540304.

The previous prime is 1242202112069. The next prime is 1242202112219. The reversal of 1242202112201 is 1022112022421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1242202112201 - 226 = 1242135003337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242202111201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5066300 + ... + 5305826.

It is an arithmetic number, because the mean of its divisors is an integer number (81355206144).

Almost surely, 21242202112201 is an apocalyptic number.

It is an amenable number.

1242202112201 is a deficient number, since it is larger than the sum of its proper divisors (59481186103).

1242202112201 is a wasteful number, since it uses less digits than its factorization.

1242202112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240500.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1242202112201 its reverse (1022112022421), we get a palindrome (2264314134622).

The spelling of 1242202112201 in words is "one trillion, two hundred forty-two billion, two hundred two million, one hundred twelve thousand, two hundred one".

Divisors: 1 23 463 487 10649 11201 225481 239527 5186063 5509121 110901001 116649649 2550723023 2682941927 54008787487 1242202112201