1002012011002 has 8 divisors (see below), whose sum is σ = 1504211839200. Its totient is φ = 500608064604.

The previous prime is 1002012010999. The next prime is 1002012011009. The reversal of 1002012011002 is 2001102102001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002012011002.

It is not an unprimeable number, because it can be changed into a prime (1002012011009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198967302 + ... + 198972337.

It is an arithmetic number, because the mean of its divisors is an integer number (188026479900).

Almost surely, 2^{1002012011002} is an apocalyptic number.

1002012011002 is a deficient number, since it is larger than the sum of its proper divisors (502199828198).

1002012011002 is a wasteful number, since it uses less digits than its factorization.

1002012011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397940900.

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

Adding to 1002012011002 its reverse (2001102102001), we get a palindrome (3003114113003).

Subtracting 1002012011002 from its reverse (2001102102001), we obtain a palindrome (999090090999).

The spelling of 1002012011002 in words is "one trillion, two billion, twelve million, eleven thousand, two".