121226899063 has 4 divisors (see below), whose sum is σ = 121241631808. Its totient is φ = 121212166320.

The previous prime is 121226899039. The next prime is 121226899093. The reversal of 121226899063 is 360998622121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121226899063 - 2¹³ = 121226890871 is a prime.

It is a super-2 number, since 2×121226899063² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121226898998 and 121226899016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121226899093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7354023 + ... + 7370488.

It is an arithmetic number, because the mean of its divisors is an integer number (30310407952).

Almost surely, 2^121226899063 is an apocalyptic number.

121226899063 is a deficient number, since it is larger than the sum of its proper divisors (14732745).

121226899063 is an equidigital number, since it uses as much as digits as its factorization.

121226899063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14732744.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 121226899063 in words is "one hundred twenty-one billion, two hundred twenty-six million, eight hundred ninety-nine thousand, sixty-three".