2211202001212 has 12 divisors (see below), whose sum is σ = 4037847132816. Its totient is φ = 1057531391840.

The previous prime is 2211202001153. The next prime is 2211202001227. The reversal of 2211202001212 is 2121002021122.

It is a happy number.

It is a congruent number.

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, 12017402089 + ... + 12017402272.

It is an arithmetic number, because the mean of its divisors is an integer number (336487261068).

Almost surely, 2^{2211202001212} is an apocalyptic number.

It is an amenable number.

2211202001212 is a deficient number, since it is larger than the sum of its proper divisors (1826645131604).

2211202001212 is a wasteful number, since it uses less digits than its factorization.

2211202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24034804388 (or 24034804386 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211202001212 its reverse (2121002021122), we get a palindrome (4332204022334).

The spelling of 2211202001212 in words is "two trillion, two hundred eleven billion, two hundred two million, one thousand, two hundred twelve".