1211333201212 has 6 divisors (see below), whose sum is σ = 2119833102128. Its totient is φ = 605666600604.

The previous prime is 1211333201159. The next prime is 1211333201231. The reversal of 1211333201212 is 2121023331121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151416650148 + ... + 151416650155.

Almost surely, 2^{1211333201212} is an apocalyptic number.

It is an amenable number.

1211333201212 is a deficient number, since it is larger than the sum of its proper divisors (908499900916).

1211333201212 is a wasteful number, since it uses less digits than its factorization.

1211333201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302833300307 (or 302833300305 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1211333201212 its reverse (2121023331121), we get a palindrome (3332356532333).

The spelling of 1211333201212 in words is "one trillion, two hundred eleven billion, three hundred thirty-three million, two hundred one thousand, two hundred twelve".