1200012201122 has 24 divisors (see below), whose sum is σ = 2077733641728. Its totient is φ = 509198893200.

The previous prime is 1200012201109. The next prime is 1200012201127. The reversal of 1200012201122 is 2211022100021.

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 = 1200012201097 and 1200012201106.

It is not an unprimeable number, because it can be changed into a prime (1200012201127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4058498 + ... + 4344125.

It is an arithmetic number, because the mean of its divisors is an integer number (86572235072).

Almost surely, 2^{1200012201122} is an apocalyptic number.

1200012201122 is a deficient number, since it is larger than the sum of its proper divisors (877721440606).

1200012201122 is an equidigital number, since it uses as much as digits as its factorization.

1200012201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402834 (or 8402733 counting only the distinct ones).

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

Adding to 1200012201122 its reverse (2211022100021), we get a palindrome (3411034301143).

The spelling of 1200012201122 in words is "one trillion, two hundred billion, twelve million, two hundred one thousand, one hundred twenty-two".