1202122101002 has 4 divisors (see below), whose sum is σ = 1803183151506. Its totient is φ = 601061050500.

The previous prime is 1202122101001. The next prime is 1202122101007. The reversal of 1202122101002 is 2001012212021.

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., 840465399361 + 361656701641 = 916769^2 + 601379^2 .

It is not an unprimeable number, because it can be changed into a prime (1202122101001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300530525249 + ... + 300530525252.

Almost surely, 2^{1202122101002} is an apocalyptic number.

1202122101002 is a deficient number, since it is larger than the sum of its proper divisors (601061050504).

1202122101002 is an equidigital number, since it uses as much as digits as its factorization.

1202122101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601061050503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202122101002 its reverse (2001012212021), we get a palindrome (3203134313023).

The spelling of 1202122101002 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred one thousand, two".