1212010122011 has 8 divisors (see below), whose sum is σ = 1311427652304. Its totient is φ = 1113476303520.

The previous prime is 1212010121983. The next prime is 1212010122023. The reversal of 1212010122011 is 1102210102121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1212010122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212010122611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220925096 + ... + 220930581.

It is an arithmetic number, because the mean of its divisors is an integer number (163928456538).

Almost surely, 2^{1212010122011} is an apocalyptic number.

1212010122011 is a deficient number, since it is larger than the sum of its proper divisors (99417530293).

1212010122011 is a wasteful number, since it uses less digits than its factorization.

1212010122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441855901.

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

Adding to 1212010122011 its reverse (1102210102121), we get a palindrome (2314220224132).

The spelling of 1212010122011 in words is "one trillion, two hundred twelve billion, ten million, one hundred twenty-two thousand, eleven".