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12121020232201 = 40942727693607
BaseRepresentation
bin1011000001100010010100…
…0110101111001000001001
31120220202110201222212202201
42300120211012233020021
53042042322134412301
641440153025400201
72360500116012556
oct260304506571011
946822421885681
1012121020232201
11395354aa21531
121439175199061
1369c01307913a
142dc93661ba2d
15160467752201
hexb06251af209

12121020232201 has 8 divisors (see below), whose sum is σ = 12150957875840. Its totient is φ = 12091084062048.

The previous prime is 12121020232163. The next prime is 12121020232247. The reversal of 12121020232201 is 10223202012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12121020232201 - 221 = 12121018135049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121020232271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17128540 + ... + 17822146.

It is an arithmetic number, because the mean of its divisors is an integer number (1518869734480).

Almost surely, 212121020232201 is an apocalyptic number.

It is an amenable number.

12121020232201 is a deficient number, since it is larger than the sum of its proper divisors (29937643639).

12121020232201 is an equidigital number, since it uses as much as digits as its factorization.

12121020232201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736743.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12121020232201 its reverse (10223202012121), we get a palindrome (22344222244322).

The spelling of 12121020232201 in words is "twelve trillion, one hundred twenty-one billion, twenty million, two hundred thirty-two thousand, two hundred one".

Divisors: 1 409 42727 693607 17475343 283685263 29635746289 12121020232201