121131222003000 has 192 divisors, whose sum is σ = 446643851677920. Its totient is φ = 29365144704000.

The previous prime is 121131222002993. The next prime is 121131222003019. The reversal of 121131222003000 is 300222131121.

121131222003000 is a `hidden beast` number, since 12 + 1 + 131 + 2 + 220 + 0 + 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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611674849 + ... + 611872848.

Almost surely, 2^{121131222003000} is an apocalyptic number.

121131222003000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121131222003000 is an abundant number, since it is smaller than the sum of its proper divisors (325512629674920).

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

121131222003000 is a wasteful number, since it uses less digits than its factorization.

121131222003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223547735 (or 1223547718 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121131222003000 its reverse (300222131121), we get a palindrome (121431444134121).

The spelling of 121131222003000 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, two hundred twenty-two million, three thousand".