12211023235 has 32 divisors (see below), whose sum is σ = 15744782592. Its totient is φ = 9075409920.

The previous prime is 12211023233. The next prime is 12211023247. The reversal of 12211023235 is 53232011221.

It is not a de Polignac number, because 12211023235 - 2¹ = 12211023233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12211023233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339369 + ... + 373621.

It is an arithmetic number, because the mean of its divisors is an integer number (492024456).

Almost surely, 2^12211023235 is an apocalyptic number.

12211023235 is a deficient number, since it is larger than the sum of its proper divisors (3533759357).

12211023235 is a wasteful number, since it uses less digits than its factorization.

12211023235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34383.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12211023235 its reverse (53232011221), we get a palindrome (65443034456).

The spelling of 12211023235 in words is "twelve billion, two hundred eleven million, twenty-three thousand, two hundred thirty-five".