1021201210002 has 8 divisors (see below), whose sum is σ = 2042402420016. Its totient is φ = 340400403332.

The previous prime is 1021201209989. The next prime is 1021201210019. The reversal of 1021201210002 is 2000121021201.

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

1021201210002 is an admirable number.

It is a super-2 number, since 2×1021201210002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1021201210002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85100100828 + ... + 85100100839.

It is an arithmetic number, because the mean of its divisors is an integer number (255300302502).

Almost surely, 2^{1021201210002} is an apocalyptic number.

1021201210002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021201210002 is a wasteful number, since it uses less digits than its factorization.

1021201210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170200201672.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021201210002 its reverse (2000121021201), we get a palindrome (3021322231203).

The spelling of 1021201210002 in words is "one trillion, twenty-one billion, two hundred one million, two hundred ten thousand, two".