1202122100012 has 12 divisors (see below), whose sum is σ = 2104767126000. Its totient is φ = 600760064016.

The previous prime is 1202122099999. The next prime is 1202122100017. The reversal of 1202122100012 is 2100012212021.

It is a self number, because there is not a number n which added to its sum of digits gives 1202122100012.

It is not an unprimeable number, because it can be changed into a prime (1202122100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75237512 + ... + 75253487.

It is an arithmetic number, because the mean of its divisors is an integer number (175397260500).

Almost surely, 2^{1202122100012} is an apocalyptic number.

It is an amenable number.

1202122100012 is a deficient number, since it is larger than the sum of its proper divisors (902645025988).

1202122100012 is a wasteful number, since it uses less digits than its factorization.

1202122100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150493000 (or 150492998 counting only the distinct ones).

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

Adding to 1202122100012 its reverse (2100012212021), we get a palindrome (3302134312033).

The spelling of 1202122100012 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, twelve".