1212020011103 has 32 divisors (see below), whose sum is σ = 1382571909120. Its totient is φ = 1052460864000.

The previous prime is 1212020011063. The next prime is 1212020011177. The reversal of 1212020011103 is 3011100202121.

It is a cyclic number.

It is not a de Polignac number, because 1212020011103 - 2²⁰ = 1212018962527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212020019103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125450093 + ... + 125459753.

It is an arithmetic number, because the mean of its divisors is an integer number (43205372160).

Almost surely, 2^{1212020011103} is an apocalyptic number.

1212020011103 is a deficient number, since it is larger than the sum of its proper divisors (170551898017).

1212020011103 is a wasteful number, since it uses less digits than its factorization.

1212020011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14439.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1212020011103 its reverse (3011100202121), we get a palindrome (4223120213224).

The spelling of 1212020011103 in words is "one trillion, two hundred twelve billion, twenty million, eleven thousand, one hundred three".