1212212002012 has 12 divisors (see below), whose sum is σ = 2314222913016. Its totient is φ = 551005455440.

The previous prime is 1212212001941. The next prime is 1212212002049. The reversal of 1212212002012 is 2102002122121.

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, 13775136343 + ... + 13775136430.

It is an arithmetic number, because the mean of its divisors is an integer number (192851909418).

Almost surely, 2^{1212212002012} is an apocalyptic number.

It is an amenable number.

1212212002012 is a deficient number, since it is larger than the sum of its proper divisors (1102010911004).

1212212002012 is a wasteful number, since it uses less digits than its factorization.

1212212002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550272788 (or 27550272786 counting only the distinct ones).

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

Adding to 1212212002012 its reverse (2102002122121), we get a palindrome (3314214124133).

The spelling of 1212212002012 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two thousand, twelve".