1212120018273 has 8 divisors (see below), whose sum is σ = 1616215968000. Its totient is φ = 808052040368.

The previous prime is 1212120018253. The next prime is 1212120018283. The reversal of 1212120018273 is 3728100212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212120018273 - 2¹⁶ = 1212119952737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1212120018273.

It is not an unprimeable number, because it can be changed into a prime (1212120018253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6891633 + ... + 7065326.

It is an arithmetic number, because the mean of its divisors is an integer number (202026996000).

Almost surely, 2^{1212120018273} is an apocalyptic number.

It is an amenable number.

1212120018273 is a deficient number, since it is larger than the sum of its proper divisors (404095949727).

1212120018273 is a wasteful number, since it uses less digits than its factorization.

1212120018273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985911.

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 1212120018273 in words is "one trillion, two hundred twelve billion, one hundred twenty million, eighteen thousand, two hundred seventy-three".