1211132301212 has 6 divisors (see below), whose sum is σ = 2119481527128. Its totient is φ = 605566150604.

The previous prime is 1211132301149. The next prime is 1211132301263. The reversal of 1211132301212 is 2121032311121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151391537648 + ... + 151391537655.

It is an arithmetic number, because the mean of its divisors is an integer number (353246921188).

Almost surely, 2^{1211132301212} is an apocalyptic number.

It is an amenable number.

1211132301212 is a deficient number, since it is larger than the sum of its proper divisors (908349225916).

1211132301212 is a wasteful number, since it uses less digits than its factorization.

1211132301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302783075307 (or 302783075305 counting only the distinct ones).

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

Adding to 1211132301212 its reverse (2121032311121), we get a palindrome (3332164612333).

Subtracting 1211132301212 from its reverse (2121032311121), we obtain a palindrome (909900009909).

The spelling of 1211132301212 in words is "one trillion, two hundred eleven billion, one hundred thirty-two million, three hundred one thousand, two hundred twelve".