1212445404351 has 36 divisors (see below), whose sum is σ = 1920475732032. Its totient is φ = 734517219072.

The previous prime is 1212445404341. The next prime is 1212445404377. The reversal of 1212445404351 is 1534045442121.

1212445404351 is a `hidden beast` number, since 1 + 2 + 1 + 24 + 4 + 540 + 43 + 51 = 666.

It is not a de Polignac number, because 1212445404351 - 2¹³ = 1212445396159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212445404341) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4582671 + ... + 4840016.

It is an arithmetic number, because the mean of its divisors is an integer number (53346548112).

Almost surely, 2^{1212445404351} is an apocalyptic number.

1212445404351 is a deficient number, since it is larger than the sum of its proper divisors (708030327681).

1212445404351 is a wasteful number, since it uses less digits than its factorization.

1212445404351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422768 (or 9422736 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 1212445404351 in words is "one trillion, two hundred twelve billion, four hundred forty-five million, four hundred four thousand, three hundred fifty-one".