121233015405212 has 48 divisors (see below), whose sum is σ = 221367742374240. Its totient is φ = 58042440438528.

The previous prime is 121233015405211. The next prime is 121233015405353. The reversal of 121233015405212 is 212504510332121.

It is a super-3 number, since 3×121233015405212³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121233015405211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5793098 + ... + 16614030.

It is an arithmetic number, because the mean of its divisors is an integer number (4611827966130).

Almost surely, 2^{121233015405212} is an apocalyptic number.

It is an amenable number.

121233015405212 is a deficient number, since it is larger than the sum of its proper divisors (100134726969028).

121233015405212 is a wasteful number, since it uses less digits than its factorization.

121233015405212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822262 (or 10822260 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 121233015405212 its reverse (212504510332121), we get a palindrome (333737525737333).

The spelling of 121233015405212 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, fifteen million, four hundred five thousand, two hundred twelve".