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1202020212201 = 3400673404067
BaseRepresentation
bin10001011111011101111…
…111001101110111101001
311020220121212002112010120
4101133131333031313221
5124143214133242301
62320111144433453
7152562116136354
oct21373577156751
94226555075116
101202020212201
11423857089456
12174b62178889
1389471cbac43
144226c96529b
1521402241e36
hex117ddfcdde9

1202020212201 has 4 divisors (see below), whose sum is σ = 1602693616272. Its totient is φ = 801346808132.

The previous prime is 1202020212199. The next prime is 1202020212203. The reversal of 1202020212201 is 1022120202021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1202020212199) and next prime (1202020212203).

It is a cyclic number.

It is not a de Polignac number, because 1202020212201 - 21 = 1202020212199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202020212203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200336702031 + ... + 200336702036.

It is an arithmetic number, because the mean of its divisors is an integer number (400673404068).

Almost surely, 21202020212201 is an apocalyptic number.

It is an amenable number.

1202020212201 is a deficient number, since it is larger than the sum of its proper divisors (400673404071).

1202020212201 is an equidigital number, since it uses as much as digits as its factorization.

1202020212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400673404070.

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

Adding to 1202020212201 its reverse (1022120202021), we get a palindrome (2224140414222).

The spelling of 1202020212201 in words is "one trillion, two hundred two billion, twenty million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 400673404067 1202020212201