1201020021202 has 16 divisors (see below), whose sum is σ = 1802286840312. Its totient is φ = 600257802240.

The previous prime is 1201020021169. The next prime is 1201020021263. The reversal of 1201020021202 is 2021200201021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 570026510001 + 630993511201 = 755001^2 + 794351^2 .

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, 63492898 + ... + 63511810.

Almost surely, 2^{1201020021202} is an apocalyptic number.

1201020021202 is a deficient number, since it is larger than the sum of its proper divisors (601266819110).

1201020021202 is a wasteful number, since it uses less digits than its factorization.

1201020021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30573.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201020021202 its reverse (2021200201021), we get a palindrome (3222220222223).

The spelling of 1201020021202 in words is "one trillion, two hundred one billion, twenty million, twenty-one thousand, two hundred two".