1212020010211 has 4 divisors (see below), whose sum is σ = 1212023050624. Its totient is φ = 1212016969800.

The previous prime is 1212020010203. The next prime is 1212020010239. The reversal of 1212020010211 is 1120100202121.

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 1212020010211 - 2³ = 1212020010203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212020010191 and 1212020010200.

It is not an unprimeable number, because it can be changed into a prime (1212020010251) 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, 812400 + ... + 1756141.

It is an arithmetic number, because the mean of its divisors is an integer number (303005762656).

Almost surely, 2^{1212020010211} is an apocalyptic number.

1212020010211 is a deficient number, since it is larger than the sum of its proper divisors (3040413).

1212020010211 is an equidigital number, since it uses as much as digits as its factorization.

1212020010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040412.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212020010211 its reverse (1120100202121), we get a palindrome (2332120212332).

The spelling of 1212020010211 in words is "one trillion, two hundred twelve billion, twenty million, ten thousand, two hundred eleven".