1200000122002 has 16 divisors (see below), whose sum is σ = 2066985856800. Its totient is φ = 516746463840.

The previous prime is 1200000121993. The next prime is 1200000122011. The reversal of 1200000122002 is 2002210000021.

It is an interprime number because it is at equal distance from previous prime (1200000121993) and next prime (1200000122011).

It is a self number, because there is not a number n which added to its sum of digits gives 1200000122002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435406427 + ... + 1435407262.

It is an arithmetic number, because the mean of its divisors is an integer number (129186616050).

Almost surely, 2^{1200000122002} is an apocalyptic number.

1200000122002 is a deficient number, since it is larger than the sum of its proper divisors (866985734798).

1200000122002 is a wasteful number, since it uses less digits than its factorization.

1200000122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2870813721.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1200000122002 its reverse (2002210000021), we get a palindrome (3202210122023).

The spelling of 1200000122002 in words is "one trillion, two hundred billion, one hundred twenty-two thousand, two".