1201201100012 has 12 divisors (see below), whose sum is σ = 2225754979560. Its totient is φ = 565271105856.

The previous prime is 1201201099981. The next prime is 1201201100039. The reversal of 1201201100012 is 2100011021021.

It is a junction number, because it is equal to n+sod(n) for n = 1201201099966 and 1201201100002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8832360962 + ... + 8832361097.

It is an arithmetic number, because the mean of its divisors is an integer number (185479581630).

Almost surely, 2^{1201201100012} is an apocalyptic number.

It is an amenable number.

1201201100012 is a deficient number, since it is larger than the sum of its proper divisors (1024553879548).

1201201100012 is a wasteful number, since it uses less digits than its factorization.

1201201100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17664722080 (or 17664722078 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201201100012 its reverse (2100011021021), we get a palindrome (3301212121033).

The spelling of 1201201100012 in words is "one trillion, two hundred one billion, two hundred one million, one hundred thousand, twelve".