1212120112023 has 6 divisors (see below), whose sum is σ = 1750840161824. Its totient is φ = 808080074676.

The previous prime is 1212120111967. The next prime is 1212120112031. The reversal of 1212120112023 is 3202110212121.

It is not a de Polignac number, because 1212120112023 - 2¹⁴ = 1212120095639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212120111987 and 1212120112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120132023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67340006215 + ... + 67340006232.

Almost surely, 2^{1212120112023} is an apocalyptic number.

1212120112023 is a deficient number, since it is larger than the sum of its proper divisors (538720049801).

1212120112023 is a wasteful number, since it uses less digits than its factorization.

1212120112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134680012453 (or 134680012450 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1212120112023 its reverse (3202110212121), we get a palindrome (4414230324144).

The spelling of 1212120112023 in words is "one trillion, two hundred twelve billion, one hundred twenty million, one hundred twelve thousand, twenty-three".