1212202012 has 12 divisors (see below), whose sum is σ = 2424404080. Its totient is φ = 519515136.

The previous prime is 1212201997. The next prime is 1212202031. The reversal of 1212202012 is 2102022121.

It is a happy number.

1212202012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1212201983 and 1212202001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21646437 + ... + 21646492.

Almost surely, 2^1212202012 is an apocalyptic number.

It is an amenable number.

1212202012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212202012 is a wasteful number, since it uses less digits than its factorization.

1212202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43292940 (or 43292938 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1212202012 is about 34816.6915717160. The cubic root of 1212202012 is about 1066.2482552093.

Adding to 1212202012 its reverse (2102022121), we get a palindrome (3314224133).

The spelling of 1212202012 in words is "one billion, two hundred twelve million, two hundred two thousand, twelve".