1212022202011 has 2 divisors, whose sum is σ = 1212022202012. Its totient is φ = 1212022202010.

The previous prime is 1212022201981. The next prime is 1212022202051. The reversal of 1212022202011 is 1102022202121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102022202121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1212022202011 - 2⁷ = 1212022201883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1212022202051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606011101005 + 606011101006.

It is an arithmetic number, because the mean of its divisors is an integer number (606011101006).

Almost surely, 2^{1212022202011} is an apocalyptic number.

1212022202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212022202011 is an equidigital number, since it uses as much as digits as its factorization.

1212022202011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1212022202011 its reverse (1102022202121), we get a palindrome (2314044404132).

The spelling of 1212022202011 in words is "one trillion, two hundred twelve billion, twenty-two million, two hundred two thousand, eleven".