1202220121002 has 16 divisors (see below), whose sum is σ = 2429228286912. Its totient is φ = 396608699520.

The previous prime is 1202220121001. The next prime is 1202220121007. The reversal of 1202220121002 is 2001210222021.

It is not an unprimeable number, because it can be changed into a prime (1202220121001) 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, 1032834574 + ... + 1032835737.

It is an arithmetic number, because the mean of its divisors is an integer number (151826767932).

Almost surely, 2^{1202220121002} is an apocalyptic number.

1202220121002 is an abundant number, since it is smaller than the sum of its proper divisors (1227008165910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202220121002 is a wasteful number, since it uses less digits than its factorization.

1202220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065670413.

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

Adding to 1202220121002 its reverse (2001210222021), we get a palindrome (3203430343023).

The spelling of 1202220121002 in words is "one trillion, two hundred two billion, two hundred twenty million, one hundred twenty-one thousand, two".