1202121112002 has 128 divisors (see below), whose sum is σ = 2563737523200. Its totient is φ = 375101798400.

The previous prime is 1202121112001. The next prime is 1202121112051. The reversal of 1202121112002 is 2002111212021.

It is not an unprimeable number, because it can be changed into a prime (1202121112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1370719188 + ... + 1370720064.

It is an arithmetic number, because the mean of its divisors is an integer number (20029199400).

Almost surely, 2^{1202121112002} is an apocalyptic number.

1202121112002 is an abundant number, since it is smaller than the sum of its proper divisors (1361616411198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202121112002 is a wasteful number, since it uses less digits than its factorization.

1202121112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202121112002 its reverse (2002111212021), we get a palindrome (3204232324023).

The spelling of 1202121112002 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, two".