1212022319999 has 16 divisors (see below), whose sum is σ = 1277545517280. Its totient is φ = 1146673198080.

The previous prime is 1212022319969. The next prime is 1212022320001. The reversal of 1212022319999 is 9999132202121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212022319999 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 (1212022319969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66464987 + ... + 66483219.

It is an arithmetic number, because the mean of its divisors is an integer number (79846594830).

Almost surely, 2^{1212022319999} is an apocalyptic number.

1212022319999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1212022319999 is a deficient number, since it is larger than the sum of its proper divisors (65523197281).

1212022319999 is a wasteful number, since it uses less digits than its factorization.

1212022319999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22810.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 1212022319999 in words is "one trillion, two hundred twelve billion, twenty-two million, three hundred nineteen thousand, nine hundred ninety-nine".