1202021222002 has 8 divisors (see below), whose sum is σ = 1909092529116. Its totient is φ = 565657045632.

The previous prime is 1202021221993. The next prime is 1202021222023. The reversal of 1202021222002 is 2002221202021.

It can be written as a sum of positive squares in 2 ways, for example, as 999378096721 + 202643125281 = 999689^2 + 450159^2 .

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, 17676782643 + ... + 17676782710.

Almost surely, 2^{1202021222002} is an apocalyptic number.

1202021222002 is a deficient number, since it is larger than the sum of its proper divisors (707071307114).

1202021222002 is a wasteful number, since it uses less digits than its factorization.

1202021222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35353565372.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1202021222002 its reverse (2002221202021), we get a palindrome (3204242424023).

The spelling of 1202021222002 in words is "one trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, two".