121210402467663 has 20 divisors (see below), whose sum is σ = 181925530661688. Its totient is φ = 80423963711280.

The previous prime is 121210402467641. The next prime is 121210402467667. The reversal of 121210402467663 is 366764204012121.

121210402467663 is a `hidden beast` number, since 1 + 2 + 121 + 0 + 4 + 0 + 2 + 467 + 6 + 63 = 666.

It is not a de Polignac number, because 121210402467663 - 2⁵ = 121210402467631 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210402467667) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3546013056 + ... + 3546047237.

Almost surely, 2^{121210402467663} is an apocalyptic number.

121210402467663 is a deficient number, since it is larger than the sum of its proper divisors (60715128194025).

121210402467663 is an equidigital number, since it uses as much as digits as its factorization.

121210402467663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092060516 (or 7092060507 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

Adding to 121210402467663 its reverse (366764204012121), we get a palindrome (487974606479784).

The spelling of 121210402467663 in words is "one hundred twenty-one trillion, two hundred ten billion, four hundred two million, four hundred sixty-seven thousand, six hundred sixty-three".