121332123000 has 192 divisors, whose sum is σ = 447384993120. Its totient is φ = 29413824000.

The previous prime is 121332122983. The next prime is 121332123007. The reversal of 121332123000 is 321233121.

121332123000 is a `hidden beast` number, since 1 + 21 + 332 + 12 + 300 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121332123007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513789 + ... + 711788.

Almost surely, 2^121332123000 is an apocalyptic number.

121332123000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121332123000 is an abundant number, since it is smaller than the sum of its proper divisors (326052870120).

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

121332123000 is a wasteful number, since it uses less digits than its factorization.

121332123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225615 (or 1225598 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121332123000 its reverse (321233121), we get a palindrome (121653356121).

It can be divided in two parts, 1213321 and 23000, that added together give a palindrome (1236321).

The spelling of 121332123000 in words is "one hundred twenty-one billion, three hundred thirty-two million, one hundred twenty-three thousand".