121563268212 has 24 divisors (see below), whose sum is σ = 298576448800. Its totient is φ = 38388400416.

The previous prime is 121563268153. The next prime is 121563268217. The reversal of 121563268212 is 212862365121.

It is a super-3 number, since 3×121563268212³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121563268217) 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, 266585887 + ... + 266586342.

Almost surely, 2^121563268212 is an apocalyptic number.

121563268212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121563268212 is an abundant number, since it is smaller than the sum of its proper divisors (177013180588).

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

121563268212 is a wasteful number, since it uses less digits than its factorization.

121563268212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533172255 (or 533172253 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The spelling of 121563268212 in words is "one hundred twenty-one billion, five hundred sixty-three million, two hundred sixty-eight thousand, two hundred twelve".