1212100200023 has 2 divisors, whose sum is σ = 1212100200024. Its totient is φ = 1212100200022.

The previous prime is 1212100199953. The next prime is 1212100200037. The reversal of 1212100200023 is 3200020012121.

It is a happy number.

It is an a-pointer prime, because the next prime (1212100200037) can be obtained adding 1212100200023 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1212100200023 - 2²² = 1212096005719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1212100199980 and 1212100200007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1212400200023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606050100011 + 606050100012.

It is an arithmetic number, because the mean of its divisors is an integer number (606050100012).

Almost surely, 2^{1212100200023} is an apocalyptic number.

1212100200023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212100200023 is an equidigital number, since it uses as much as digits as its factorization.

1212100200023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212100200023 its reverse (3200020012121), we get a palindrome (4412120212144).

The spelling of 1212100200023 in words is "one trillion, two hundred twelve billion, one hundred million, two hundred thousand, twenty-three".