Search a number
-
+
12011202133211 = 37931691826209
BaseRepresentation
bin1010111011001001001101…
…1011111011110011011011
31120112021000022212102200002
42232302103123323303123
53033242420221230321
641313511534403215
72346531533406011
oct256622333736333
946467008772602
1012011202133211
113910a16522336
12141ba2736050b
1369186146a488
142d74b96688b1
1515c68b5db20b
hexaec936fbcdb

12011202133211 has 4 divisors (see below), whose sum is σ = 12042893959800. Its totient is φ = 11979510306624.

The previous prime is 12011202133193. The next prime is 12011202133253. The reversal of 12011202133211 is 11233120211021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011202133211 - 234 = 11994022264027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011205133211) 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, 15845912726 + ... + 15845913483.

It is an arithmetic number, because the mean of its divisors is an integer number (3010723489950).

Almost surely, 212011202133211 is an apocalyptic number.

12011202133211 is a deficient number, since it is larger than the sum of its proper divisors (31691826589).

12011202133211 is an equidigital number, since it uses as much as digits as its factorization.

12011202133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31691826588.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12011202133211 its reverse (11233120211021), we get a palindrome (23244322344232).

The spelling of 12011202133211 in words is "twelve trillion, eleven billion, two hundred two million, one hundred thirty-three thousand, two hundred eleven".

Divisors: 1 379 31691826209 12011202133211