120011201221012 has 6 divisors (see below), whose sum is σ = 210019602136778. Its totient is φ = 60005600610504.

The previous prime is 120011201221003. The next prime is 120011201221013. The reversal of 120011201221012 is 210122102110021.

It can be written as a sum of positive squares in only one way, i.e., 69052676322436 + 50958524898576 = 8309794^2 + 7138524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011201221013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15001400152623 + ... + 15001400152630.

Almost surely, 2^{120011201221012} is an apocalyptic number.

It is an amenable number.

120011201221012 is a deficient number, since it is larger than the sum of its proper divisors (90008400915766).

120011201221012 is a wasteful number, since it uses less digits than its factorization.

120011201221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30002800305257 (or 30002800305255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120011201221012 its reverse (210122102110021), we get a palindrome (330133303331033).

The spelling of 120011201221012 in words is "one hundred twenty trillion, eleven billion, two hundred one million, two hundred twenty-one thousand, twelve".