1201312001122 has 16 divisors (see below), whose sum is σ = 1833667735680. Its totient is φ = 590102288272.

The previous prime is 1201312001027. The next prime is 1201312001191. The reversal of 1201312001122 is 2211002131021.

It is a junction number, because it is equal to n+sod(n) for n = 1201312001096 and 1201312001105.

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, 3028813 + ... + 3402400.

It is an arithmetic number, because the mean of its divisors is an integer number (114604233480).

Almost surely, 2^{1201312001122} is an apocalyptic number.

1201312001122 is a deficient number, since it is larger than the sum of its proper divisors (632355734558).

1201312001122 is a wasteful number, since it uses less digits than its factorization.

1201312001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432857.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201312001122 its reverse (2211002131021), we get a palindrome (3412314132143).

The spelling of 1201312001122 in words is "one trillion, two hundred one billion, three hundred twelve million, one thousand, one hundred twenty-two".