1012201212011 has 8 divisors (see below), whose sum is σ = 1104734797824. Its totient is φ = 919753508520.

The previous prime is 1012201212007. The next prime is 1012201212013. The reversal of 1012201212011 is 1102121022101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012201212011 - 2² = 1012201212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012201212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21445931 + ... + 21493076.

It is an arithmetic number, because the mean of its divisors is an integer number (138091849728).

Almost surely, 2^{1012201212011} is an apocalyptic number.

1012201212011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012201212011 is a deficient number, since it is larger than the sum of its proper divisors (92533585813).

1012201212011 is a wasteful number, since it uses less digits than its factorization.

1012201212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42941161.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012201212011 its reverse (1102121022101), we get a palindrome (2114322234112).

The spelling of 1012201212011 in words is "one trillion, twelve billion, two hundred one million, two hundred twelve thousand, eleven".