1212001011212 has 48 divisors (see below), whose sum is σ = 2149486101504. Its totient is φ = 597907200000.

The previous prime is 1212001011191. The next prime is 1212001011253. The reversal of 1212001011212 is 2121101002121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193267637 + ... + 193273907.

It is an arithmetic number, because the mean of its divisors is an integer number (44780960448).

Almost surely, 2^{1212001011212} is an apocalyptic number.

It is an amenable number.

1212001011212 is a deficient number, since it is larger than the sum of its proper divisors (937485090292).

1212001011212 is a wasteful number, since it uses less digits than its factorization.

1212001011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970 (or 7968 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212001011212 its reverse (2121101002121), we get a palindrome (3333102013333).

Subtracting 1212001011212 from its reverse (2121101002121), we obtain a palindrome (909099990909).

The spelling of 1212001011212 in words is "one trillion, two hundred twelve billion, one million, eleven thousand, two hundred twelve".