1202220011987 has 8 divisors (see below), whose sum is σ = 1265505255360. Its totient is φ = 1138935819240.

The previous prime is 1202220011981. The next prime is 1202220012001. The reversal of 1202220011987 is 7891100222021.

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 1202220011987 - 2²⁶ = 1202152903123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202220011981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3385628 + ... + 3723830.

It is an arithmetic number, because the mean of its divisors is an integer number (158188156920).

Almost surely, 2^{1202220011987} is an apocalyptic number.

1202220011987 is a deficient number, since it is larger than the sum of its proper divisors (63285243373).

1202220011987 is a wasteful number, since it uses less digits than its factorization.

1202220011987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525313.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 1202220011987 in words is "one trillion, two hundred two billion, two hundred twenty million, eleven thousand, nine hundred eighty-seven".