1201133211212 has 48 divisors (see below), whose sum is σ = 2325680066304. Its totient is φ = 538207992000.

The previous prime is 1201133211203. The next prime is 1201133211233. The reversal of 1201133211212 is 2121123311021.

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, 28379138 + ... + 28421430.

It is an arithmetic number, because the mean of its divisors is an integer number (48451668048).

Almost surely, 2^{1201133211212} is an apocalyptic number.

It is an amenable number.

1201133211212 is a deficient number, since it is larger than the sum of its proper divisors (1124546855092).

1201133211212 is a wasteful number, since it uses less digits than its factorization.

1201133211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51470 (or 51468 counting only the distinct ones).

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

Adding to 1201133211212 its reverse (2121123311021), we get a palindrome (3322256522233).

The spelling of 1201133211212 in words is "one trillion, two hundred one billion, one hundred thirty-three million, two hundred eleven thousand, two hundred twelve".