1201110022012 has 24 divisors (see below), whose sum is σ = 2212608394640. Its totient is φ = 568937260800.

The previous prime is 1201110021967. The next prime is 1201110022037. The reversal of 1201110022012 is 2102200111021.

It is a junction number, because it is equal to n+sod(n) for n = 1201110021983 and 1201110022001.

It is a congruent number.

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, 6685762 + ... + 6863062.

Almost surely, 2^{1201110022012} is an apocalyptic number.

It is an amenable number.

1201110022012 is a deficient number, since it is larger than the sum of its proper divisors (1011498372628).

1201110022012 is a wasteful number, since it uses less digits than its factorization.

1201110022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266461 (or 266459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201110022012 its reverse (2102200111021), we get a palindrome (3303310133033).

The spelling of 1201110022012 in words is "one trillion, two hundred one billion, one hundred ten million, twenty-two thousand, twelve".