1212196012 has 12 divisors (see below), whose sum is σ = 2129599080. Its totient is φ = 603739136.

The previous prime is 1212196001. The next prime is 1212196039. The reversal of 1212196012 is 2106912121.

It is a happy 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, 588562 + ... + 590617.

It is an arithmetic number, because the mean of its divisors is an integer number (177466590).

Almost surely, 2^1212196012 is an apocalyptic number.

It is an amenable number.

1212196012 is a deficient number, since it is larger than the sum of its proper divisors (917403068).

1212196012 is a wasteful number, since it uses less digits than its factorization.

1212196012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179440 (or 1179438 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1212196012 is about 34816.6054060415. The cubic root of 1212196012 is about 1066.2464960141.

The spelling of 1212196012 in words is "one billion, two hundred twelve million, one hundred ninety-six thousand, twelve".