1122212001986 has 8 divisors (see below), whose sum is σ = 1698761287740. Its totient is φ = 555958239408.

The previous prime is 1122212001961. The next prime is 1122212002007. The reversal of 1122212001986 is 6891002122211.

It can be written as a sum of positive squares in 2 ways, for example, as 1116655044961 + 5556957025 = 1056719^2 + 74545^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2573880521 + ... + 2573880956.

Almost surely, 2^{1122212001986} is an apocalyptic number.

1122212001986 is a deficient number, since it is larger than the sum of its proper divisors (576549285754).

1122212001986 is a wasteful number, since it uses less digits than its factorization.

1122212001986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147761588.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 1122212001986 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one thousand, nine hundred eighty-six".