12021202234 has 8 divisors (see below), whose sum is σ = 18096900948. Its totient is φ = 5988901920.

The previous prime is 12021202217. The next prime is 12021202247. The reversal of 12021202234 is 43220212021.

It can be written as a sum of positive squares in 2 ways, for example, as 12000545209 + 20657025 = 109547^2 + 4545^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10848907 + ... + 10850014.

Almost surely, 2^12021202234 is an apocalyptic number.

12021202234 is a deficient number, since it is larger than the sum of its proper divisors (6075698714).

12021202234 is a wasteful number, since it uses less digits than its factorization.

12021202234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699200.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12021202234 its reverse (43220212021), we get a palindrome (55241414255).

The spelling of 12021202234 in words is "twelve billion, twenty-one million, two hundred two thousand, two hundred thirty-four".