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1200220112202 = 231371460121791
BaseRepresentation
bin10001011101110010101…
…100011000010101001010
311020201222101212222011020
4101131302230120111022
5124131022322042302
62315212402213310
7152466400424406
oct21356254302512
94221871788136
101200220112202
11423012a66701
1217473b354236
1389246094507
144213b864106
15213491b8ebc
hex11772b1854a

1200220112202 has 16 divisors (see below), whose sum is σ = 2417961687552. Its totient is φ = 397153126880.

The previous prime is 1200220112167. The next prime is 1200220112249. The reversal of 1200220112202 is 2022110220021.

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, 730060074 + ... + 730061717.

It is an arithmetic number, because the mean of its divisors is an integer number (151122605472).

Almost surely, 21200220112202 is an apocalyptic number.

1200220112202 is an abundant number, since it is smaller than the sum of its proper divisors (1217741575350).

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

1200220112202 is a wasteful number, since it uses less digits than its factorization.

1200220112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460121933.

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

Adding to 1200220112202 its reverse (2022110220021), we get a palindrome (3222330332223).

The spelling of 1200220112202 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 137 274 411 822 1460121791 2920243582 4380365373 8760730746 200036685367 400073370734 600110056101 1200220112202