1212120000024 has 32 divisors (see below), whose sum is σ = 3208552942320. Its totient is φ = 380272941056.

The previous prime is 1212120000023. The next prime is 1212120000029. The reversal of 1212120000024 is 4200000212121.

It is a junction number, because it is equal to n+sod(n) for n = 1212119999958 and 1212120000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120000023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1485440769 + ... + 1485441584.

Almost surely, 2^{1212120000024} is an apocalyptic number.

It is an amenable number.

1212120000024 is an abundant number, since it is smaller than the sum of its proper divisors (1996432942296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212120000024 is a wasteful number, since it uses less digits than its factorization.

1212120000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970882379 (or 2970882375 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1212120000024 its reverse (4200000212121), we get a palindrome (5412120212145).

The spelling of 1212120000024 in words is "one trillion, two hundred twelve billion, one hundred twenty million, twenty-four", and thus it is an aban number.