1202200121002 has 4 divisors (see below), whose sum is σ = 1803300181506. Its totient is φ = 601100060500.

The previous prime is 1202200120999. The next prime is 1202200121021. The reversal of 1202200121002 is 2001210022021.

It is a happy number.

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., 672188456641 + 530011664361 = 819871^2 + 728019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300550030249 + ... + 300550030252.

Almost surely, 2^{1202200121002} is an apocalyptic number.

1202200121002 is a deficient number, since it is larger than the sum of its proper divisors (601100060504).

1202200121002 is an equidigital number, since it uses as much as digits as its factorization.

1202200121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601100060503.

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

Adding to 1202200121002 its reverse (2001210022021), we get a palindrome (3203410143023).

The spelling of 1202200121002 in words is "one trillion, two hundred two billion, two hundred million, one hundred twenty-one thousand, two".