1201011011012 has 48 divisors (see below), whose sum is σ = 2203656658560. Its totient is φ = 571649557248.

The previous prime is 1201011010999. The next prime is 1201011011069. The reversal of 1201011011012 is 2101101101021.

It is a junction number, because it is equal to n+sod(n) for n = 1201011010984 and 1201011011002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23559383 + ... + 23610305.

It is an arithmetic number, because the mean of its divisors is an integer number (45909513720).

Almost surely, 2^{1201011011012} is an apocalyptic number.

It is an amenable number.

1201011011012 is a deficient number, since it is larger than the sum of its proper divisors (1002645647548).

1201011011012 is a wasteful number, since it uses less digits than its factorization.

1201011011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52172 (or 52170 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201011011012 its reverse (2101101101021), we get a palindrome (3302112112033).

Subtracting 1201011011012 from its reverse (2101101101021), we obtain a palindrome (900090090009).

The spelling of 1201011011012 in words is "one trillion, two hundred one billion, eleven million, eleven thousand, twelve".