1210001200202 has 16 divisors (see below), whose sum is σ = 1842731804160. Its totient is φ = 595763544288.

The previous prime is 1210001200157. The next prime is 1210001200237. The reversal of 1210001200202 is 2020021000121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182443 + ... + 1954014.

It is an arithmetic number, because the mean of its divisors is an integer number (115170737760).

Almost surely, 2^{1210001200202} is an apocalyptic number.

1210001200202 is a deficient number, since it is larger than the sum of its proper divisors (632730603958).

1210001200202 is a wasteful number, since it uses less digits than its factorization.

1210001200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139405.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1210001200202 its reverse (2020021000121), we get a palindrome (3230022200323).

The spelling of 1210001200202 in words is "one trillion, two hundred ten billion, one million, two hundred thousand, two hundred two".