12011012012212 has 24 divisors (see below), whose sum is σ = 21801095686440. Its totient is φ = 5785341609600.

The previous prime is 12011012012161. The next prime is 12011012012281. The reversal of 12011012012212 is 21221021011021.

It can be written as a sum of positive squares in 4 ways, for example, as 7416831304996 + 4594180707216 = 2723386^2 + 2143404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401744887 + ... + 401774782.

It is an arithmetic number, because the mean of its divisors is an integer number (908378986935).

Almost surely, 2^{12011012012212} is an apocalyptic number.

It is an amenable number.

12011012012212 is a deficient number, since it is larger than the sum of its proper divisors (9790083674228).

12011012012212 is a wasteful number, since it uses less digits than its factorization.

12011012012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803519811 (or 803519809 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011012012212 its reverse (21221021011021), we get a palindrome (33232033023233).

The spelling of 12011012012212 in words is "twelve trillion, eleven billion, twelve million, twelve thousand, two hundred twelve".