1200010122122 has 16 divisors (see below), whose sum is σ = 2062675393152. Its totient is φ = 512911256400.

The previous prime is 1200010122119. The next prime is 1200010122127. The reversal of 1200010122122 is 2212210100021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1200010122097 and 1200010122106.

It is not an unprimeable number, because it can be changed into a prime (1200010122127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114894254 + ... + 114904697.

It is an arithmetic number, because the mean of its divisors is an integer number (128917212072).

Almost surely, 2^{1200010122122} is an apocalyptic number.

1200010122122 is a deficient number, since it is larger than the sum of its proper divisors (862665271030).

1200010122122 is a wasteful number, since it uses less digits than its factorization.

1200010122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229799333.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200010122122 its reverse (2212210100021), we get a palindrome (3412220222143).

The spelling of 1200010122122 in words is "one trillion, two hundred billion, ten million, one hundred twenty-two thousand, one hundred twenty-two".