1202001012221 has 8 divisors (see below), whose sum is σ = 1215518469888. Its totient is φ = 1188515250000.

The previous prime is 1202001012203. The next prime is 1202001012241. The reversal of 1202001012221 is 1222101002021.

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 1202001012221 - 2³⁸ = 927123105277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1202001012196 and 1202001012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202001012241) 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, 7847585 + ... + 7999286.

It is an arithmetic number, because the mean of its divisors is an integer number (151939808736).

Almost surely, 2^{1202001012221} is an apocalyptic number.

It is an amenable number.

1202001012221 is a deficient number, since it is larger than the sum of its proper divisors (13517457667).

1202001012221 is a wasteful number, since it uses less digits than its factorization.

1202001012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15847723.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202001012221 its reverse (1222101002021), we get a palindrome (2424102014242).

The spelling of 1202001012221 in words is "one trillion, two hundred two billion, one million, twelve thousand, two hundred twenty-one".