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12020020120201 = 71169296058031
BaseRepresentation
bin1010111011101010000100…
…0001111000101010001001
31120120002202212110120202211
42232322201001320222021
53033414000122321301
641321530534425121
72350263206145622
oct256724101705211
946502685416684
1012020020120201
113914730aa6495
1214216885021a1
136926382c0562
142d7ab4820a49
1515ca05813051
hexaeea1078a89

12020020120201 has 4 divisors (see below), whose sum is σ = 12189316178304. Its totient is φ = 11850724062100.

The previous prime is 12020020120193. The next prime is 12020020120231. The reversal of 12020020120201 is 10202102002021.

It is a happy number.

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 12020020120201 - 23 = 12020020120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020020120231) 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, 84648028945 + ... + 84648029086.

It is an arithmetic number, because the mean of its divisors is an integer number (3047329044576).

Almost surely, 212020020120201 is an apocalyptic number.

It is an amenable number.

12020020120201 is a deficient number, since it is larger than the sum of its proper divisors (169296058103).

12020020120201 is an equidigital number, since it uses as much as digits as its factorization.

12020020120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169296058102.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020020120201 its reverse (10202102002021), we get a palindrome (22222122122222).

The spelling of 12020020120201 in words is "twelve trillion, twenty billion, twenty million, one hundred twenty thousand, two hundred one".

Divisors: 1 71 169296058031 12020020120201