121233103012 has 96 divisors (see below), whose sum is σ = 252393120000. Its totient is φ = 49853422080.

The previous prime is 121233102979. The next prime is 121233103031. The reversal of 121233103012 is 210301332121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118739062 + ... + 118740082.

It is an arithmetic number, because the mean of its divisors is an integer number (2629095000).

Almost surely, 2^121233103012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121233103012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126196560000).

121233103012 is an abundant number, since it is smaller than the sum of its proper divisors (131160016988).

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

121233103012 is a wasteful number, since it uses less digits than its factorization.

121233103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121233103012 its reverse (210301332121), we get a palindrome (331534435133).

The spelling of 121233103012 in words is "one hundred twenty-one billion, two hundred thirty-three million, one hundred three thousand, twelve".