1210002011002 has 4 divisors (see below), whose sum is σ = 1815003016506. Its totient is φ = 605001005500.

The previous prime is 1210002010991. The next prime is 1210002011059. The reversal of 1210002011002 is 2001102000121.

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., 1006789485321 + 203212525681 = 1003389^2 + 450791^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210002011002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302500502749 + ... + 302500502752.

Almost surely, 2^{1210002011002} is an apocalyptic number.

1210002011002 is a deficient number, since it is larger than the sum of its proper divisors (605001005504).

1210002011002 is an equidigital number, since it uses as much as digits as its factorization.

1210002011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605001005503.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210002011002 its reverse (2001102000121), we get a palindrome (3211104011123).

The spelling of 1210002011002 in words is "one trillion, two hundred ten billion, two million, eleven thousand, two".