1222012120011 has 16 divisors (see below), whose sum is σ = 1815993244800. Its totient is φ = 726397296768.

The previous prime is 1222012119929. The next prime is 1222012120013. The reversal of 1222012120011 is 1100212102221.

It is not a de Polignac number, because 1222012120011 - 2³¹ = 1219864636363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222012120013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630552241 + ... + 630554178.

It is an arithmetic number, because the mean of its divisors is an integer number (113499577800).

Almost surely, 2^{1222012120011} is an apocalyptic number.

1222012120011 is a deficient number, since it is larger than the sum of its proper divisors (593981124789).

1222012120011 is a wasteful number, since it uses less digits than its factorization.

1222012120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261106458.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222012120011 its reverse (1100212102221), we get a palindrome (2322224222232).

The spelling of 1222012120011 in words is "one trillion, two hundred twenty-two billion, twelve million, one hundred twenty thousand, eleven".