1212010100011 has 4 divisors (see below), whose sum is σ = 1212367734000. Its totient is φ = 1211652466024.

The previous prime is 1212010099957. The next prime is 1212010100027. The reversal of 1212010100011 is 1100010102121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1212010100011 - 2³³ = 1203420165419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212010190011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178811911 + ... + 178818688.

It is an arithmetic number, because the mean of its divisors is an integer number (303091933500).

Almost surely, 2^{1212010100011} is an apocalyptic number.

1212010100011 is a deficient number, since it is larger than the sum of its proper divisors (357633989).

1212010100011 is an equidigital number, since it uses as much as digits as its factorization.

1212010100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357633988.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1212010100011 its reverse (1100010102121), we get a palindrome (2312020202132).

The spelling of 1212010100011 in words is "one trillion, two hundred twelve billion, ten million, one hundred thousand, eleven".