1202121210202 has 32 divisors (see below), whose sum is σ = 2100369553920. Its totient is φ = 510506470320.

The previous prime is 1202121210149. The next prime is 1202121210209. The reversal of 1202121210202 is 2020121212021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1202121210209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27603052 + ... + 27646567.

It is an arithmetic number, because the mean of its divisors is an integer number (65636548560).

Almost surely, 2^{1202121210202} is an apocalyptic number.

1202121210202 is a deficient number, since it is larger than the sum of its proper divisors (898248343718).

1202121210202 is a wasteful number, since it uses less digits than its factorization.

1202121210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55249698.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202121210202 its reverse (2020121212021), we get a palindrome (3222242422223).

The spelling of 1202121210202 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".