121212024253 has 8 divisors (see below), whose sum is σ = 127601425728. Its totient is φ = 114915898944.

The previous prime is 121212024229. The next prime is 121212024257. The reversal of 121212024253 is 352420212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121212024253 - 2⁵ = 121212024221 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 (121212024257) 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, 23316375 + ... + 23321572.

It is an arithmetic number, because the mean of its divisors is an integer number (15950178216).

Almost surely, 2^121212024253 is an apocalyptic number.

It is an amenable number.

121212024253 is a deficient number, since it is larger than the sum of its proper divisors (6389401475).

121212024253 is a wasteful number, since it uses less digits than its factorization.

121212024253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46638083.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121212024253 its reverse (352420212121), we get a palindrome (473632236374).

The spelling of 121212024253 in words is "one hundred twenty-one billion, two hundred twelve million, twenty-four thousand, two hundred fifty-three".