1212002212012 has 12 divisors (see below), whose sum is σ = 2121668576496. Its totient is φ = 605811190160.

The previous prime is 1212002211989. The next prime is 1212002212013. The reversal of 1212002212012 is 2102122002121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212002212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47464603 + ... + 47490130.

It is an arithmetic number, because the mean of its divisors is an integer number (176805714708).

Almost surely, 2^{1212002212012} is an apocalyptic number.

It is an amenable number.

1212002212012 is a deficient number, since it is larger than the sum of its proper divisors (909666364484).

1212002212012 is a wasteful number, since it uses less digits than its factorization.

1212002212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94957928 (or 94957926 counting only the distinct ones).

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

Adding to 1212002212012 its reverse (2102122002121), we get a palindrome (3314124214133).

The spelling of 1212002212012 in words is "one trillion, two hundred twelve billion, two million, two hundred twelve thousand, twelve".