121023012212300 has 576 divisors, whose sum is σ = 312275513088000. Its totient is φ = 40237760102400.

The previous prime is 121023012212287. The next prime is 121023012212317. The reversal of 121023012212300 is 3212210320121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 43176242699 + ... + 43176245501.

It is an arithmetic number, because the mean of its divisors is an integer number (542144988000).

Almost surely, 2^{121023012212300} is an apocalyptic number.

121023012212300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121023012212300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156137756544000).

121023012212300 is an abundant number, since it is smaller than the sum of its proper divisors (191252500875700).

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

121023012212300 is a wasteful number, since it uses less digits than its factorization.

121023012212300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121023012212300 its reverse (3212210320121), we get a palindrome (124235222532421).

The spelling of 121023012212300 in words is "one hundred twenty-one trillion, twenty-three billion, twelve million, two hundred twelve thousand, three hundred".