1212022000999 has 16 divisors (see below), whose sum is σ = 1226430374400. Its totient is φ = 1197702788256.

The previous prime is 1212022000939. The next prime is 1212022001063. The reversal of 1212022000999 is 9990002202121.

It is a cyclic number.

It is not a de Polignac number, because 1212022000999 - 2¹³ = 1212021992807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212022000919) by changing a digit.

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, 44695657 + ... + 44722765.

It is an arithmetic number, because the mean of its divisors is an integer number (76651898400).

Almost surely, 2^{1212022000999} is an apocalyptic number.

1212022000999 is a deficient number, since it is larger than the sum of its proper divisors (14408373401).

1212022000999 is a wasteful number, since it uses less digits than its factorization.

1212022000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28734.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 1212022000999 in words is "one trillion, two hundred twelve billion, twenty-two million, nine hundred ninety-nine", and thus it is an aban number.