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120202120121201 = 791521545824319
BaseRepresentation
bin11011010101001010111100…
…101010111100101101110001
3120202121012200102110000222022
4123111022330222330231301
5111223342420222334301
61103352031444321225
734214213406650426
oct3325127452745561
9522535612400868
10120202120121201
1135333484166898
1211593b869a3215
13520c01ba60321
142197b56957d4d
15dd6aedcb8d1b
hex6d52bcabcb71

120202120121201 has 4 divisors (see below), whose sum is σ = 121723665945600. Its totient is φ = 118680574296804.

The previous prime is 120202120121191. The next prime is 120202120121203. The reversal of 120202120121201 is 102121021202021.

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 a cyclic number.

It is not a de Polignac number, because 120202120121201 - 226 = 120202053012337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120202120121201.

It is not an unprimeable number, because it can be changed into a prime (120202120121203) 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, 760772912081 + ... + 760772912238.

It is an arithmetic number, because the mean of its divisors is an integer number (30430916486400).

Almost surely, 2120202120121201 is an apocalyptic number.

It is an amenable number.

120202120121201 is a deficient number, since it is larger than the sum of its proper divisors (1521545824399).

120202120121201 is an equidigital number, since it uses as much as digits as its factorization.

120202120121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521545824398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120202120121201 its reverse (102121021202021), we get a palindrome (222323141323222).

The spelling of 120202120121201 in words is "one hundred twenty trillion, two hundred two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 79 1521545824319 120202120121201