210012002001002 has 4 divisors (see below), whose sum is σ = 315018003001506. Its totient is φ = 105006001000500.

The previous prime is 210012002000989. The next prime is 210012002001017. The reversal of 210012002001002 is 200100200210012.

It is a happy number.

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., 201732623034121 + 8279378966881 = 14203261^2 + 2877391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52503000500249 + ... + 52503000500252.

Almost surely, 2^{210012002001002} is an apocalyptic number.

210012002001002 is a deficient number, since it is larger than the sum of its proper divisors (105006001000504).

210012002001002 is a wasteful number, since it uses less digits than its factorization.

210012002001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105006001000503.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210012002001002 its reverse (200100200210012), we get a palindrome (410112202211014).

The spelling of 210012002001002 in words is "two hundred ten trillion, twelve billion, two million, one thousand, two".