12211201834 has 32 divisors (see below), whose sum is σ = 20730124800. Its totient is φ = 5356072512.

The previous prime is 12211201817. The next prime is 12211201897. The reversal of 12211201834 is 43810211221.

It is a super-2 number, since 2×12211201834² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211201799 and 12211201808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106234 + ... + 188965.

It is an arithmetic number, because the mean of its divisors is an integer number (647816400).

Almost surely, 2^12211201834 is an apocalyptic number.

12211201834 is a deficient number, since it is larger than the sum of its proper divisors (8518922966).

12211201834 is a wasteful number, since it uses less digits than its factorization.

12211201834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295294.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 12211201834 in words is "twelve billion, two hundred eleven million, two hundred one thousand, eight hundred thirty-four".