1202200010021 has 8 divisors (see below), whose sum is σ = 1228412970144. Its totient is φ = 1176117788560.

The previous prime is 1202200010017. The next prime is 1202200010023. The reversal of 1202200010021 is 1200100022021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202200010021 - 2² = 1202200010017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202200009984 and 1202200010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200010023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32666075 + ... + 32702856.

It is an arithmetic number, because the mean of its divisors is an integer number (153551621268).

Almost surely, 2^{1202200010021} is an apocalyptic number.

It is an amenable number.

1202200010021 is a deficient number, since it is larger than the sum of its proper divisors (26212960123).

1202200010021 is an equidigital number, since it uses as much as digits as its factorization.

1202200010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65369331.

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

Adding to 1202200010021 its reverse (1200100022021), we get a palindrome (2402300032042).

The spelling of 1202200010021 in words is "one trillion, two hundred two billion, two hundred million, ten thousand, twenty-one".