1202012020221 has 8 divisors (see below), whose sum is σ = 1602699047520. Its totient is φ = 801333169872.

The previous prime is 1202012020219. The next prime is 1202012020247. The reversal of 1202012020221 is 1220202102021.

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

It is not a de Polignac number, because 1202012020221 - 2¹ = 1202012020219 is a prime.

It is a super-3 number, since 3×1202012020221³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202012020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202012027221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692595 + ... + 2295408.

It is an arithmetic number, because the mean of its divisors is an integer number (200337380940).

Almost surely, 2^{1202012020221} is an apocalyptic number.

It is an amenable number.

1202012020221 is a deficient number, since it is larger than the sum of its proper divisors (400687027299).

1202012020221 is a wasteful number, since it uses less digits than its factorization.

1202012020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088475.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1202012020221 its reverse (1220202102021), we get a palindrome (2422214122242).

The spelling of 1202012020221 in words is "one trillion, two hundred two billion, twelve million, twenty thousand, two hundred twenty-one".