1212199340607 has 24 divisors (see below), whose sum is σ = 1761876140544. Its totient is φ = 803100985344.

The previous prime is 1212199340603. The next prime is 1212199340633. The reversal of 1212199340607 is 7060439912121.

1212199340607 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 1 + 9 + 9 + 34 + 0 + 607 = 666.

It is not a de Polignac number, because 1212199340607 - 2² = 1212199340603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212199340603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1289218 + ... + 2021504.

It is an arithmetic number, because the mean of its divisors is an integer number (73411505856).

Almost surely, 2^{1212199340607} is an apocalyptic number.

1212199340607 is a deficient number, since it is larger than the sum of its proper divisors (549676799937).

1212199340607 is a wasteful number, since it uses less digits than its factorization.

1212199340607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733439 (or 733436 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 1212199340607 in words is "one trillion, two hundred twelve billion, one hundred ninety-nine million, three hundred forty thousand, six hundred seven".