1220200210202 has 4 divisors (see below), whose sum is σ = 1830300315306. Its totient is φ = 610100105100.

The previous prime is 1220200210181. The next prime is 1220200210213. The reversal of 1220200210202 is 2020120020221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 760612481161 + 459587729041 = 872131^2 + 677929^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305050052549 + ... + 305050052552.

Almost surely, 2^{1220200210202} is an apocalyptic number.

1220200210202 is a deficient number, since it is larger than the sum of its proper divisors (610100105104).

1220200210202 is an equidigital number, since it uses as much as digits as its factorization.

1220200210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610100105103.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1220200210202 its reverse (2020120020221), we get a palindrome (3240320230423).

The spelling of 1220200210202 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred ten thousand, two hundred two".