1201121212202 has 16 divisors (see below), whose sum is σ = 1851447479112. Its totient is φ = 584064468480.

The previous prime is 1201121212199. The next prime is 1201121212211. The reversal of 1201121212202 is 2022121211021.

It can be written as a sum of positive squares in 4 ways, for example, as 461175451801 + 739945760401 = 679099^2 + 860201^2 .

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, 23077823 + ... + 23129810.

Almost surely, 2^{1201121212202} is an apocalyptic number.

1201121212202 is a deficient number, since it is larger than the sum of its proper divisors (650326266910).

1201121212202 is a wasteful number, since it uses less digits than its factorization.

1201121212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46207993.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1201121212202 its reverse (2022121211021), we get a palindrome (3223242423223).

The spelling of 1201121212202 in words is "one trillion, two hundred one billion, one hundred twenty-one million, two hundred twelve thousand, two hundred two".