1201211212 has 12 divisors (see below), whose sum is σ = 2118672640. Its totient is φ = 595876176.

The previous prime is 1201211203. The next prime is 1201211269. The reversal of 1201211212 is 2121121021.

It is a junction number, because it is equal to n+sod(n) for n = 1201211192 and 1201211201.

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, 1181787 + ... + 1182802.

Almost surely, 2^1201211212 is an apocalyptic number.

It is an amenable number.

1201211212 is a deficient number, since it is larger than the sum of its proper divisors (917461428).

1201211212 is a wasteful number, since it uses less digits than its factorization.

1201211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364720 (or 2364718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1201211212 is about 34658.4940815379. The cubic root of 1201211212 is about 1063.0159780743.

Adding to 1201211212 its reverse (2121121021), we get a palindrome (3322332233).

The spelling of 1201211212 in words is "one billion, two hundred one million, two hundred eleven thousand, two hundred twelve".