1212002101011 has 16 divisors (see below), whose sum is σ = 1764150586016. Its totient is φ = 735630356736.

The previous prime is 1212002100989. The next prime is 1212002101019. The reversal of 1212002101011 is 1101012002121.

It is not a de Polignac number, because 1212002101011 - 2²³ = 1211993712403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212002101019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212853160 + ... + 212858853.

It is an arithmetic number, because the mean of its divisors is an integer number (110259411626).

Almost surely, 2^{1212002101011} is an apocalyptic number.

1212002101011 is a deficient number, since it is larger than the sum of its proper divisors (552148485005).

1212002101011 is a wasteful number, since it uses less digits than its factorization.

1212002101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425712102.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1212002101011 its reverse (1101012002121), we get a palindrome (2313014103132).

The spelling of 1212002101011 in words is "one trillion, two hundred twelve billion, two million, one hundred one thousand, eleven".