121231203011330 has 32 divisors (see below), whose sum is σ = 218313621187200. Its totient is φ = 48470825549952.

The previous prime is 121231203011309. The next prime is 121231203011509. The reversal of 121231203011330 is 33110302132121.

It is a junction number, because it is equal to n+sod(n) for n = 121231203011296 and 121231203011305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384522091 + ... + 1384609649.

It is an arithmetic number, because the mean of its divisors is an integer number (6822300662100).

Almost surely, 2^{121231203011330} is an apocalyptic number.

121231203011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121231203011330 is a deficient number, since it is larger than the sum of its proper divisors (97082418175870).

121231203011330 is a wasteful number, since it uses less digits than its factorization.

121231203011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147818.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121231203011330 its reverse (33110302132121), we get a palindrome (154341505143451).

The spelling of 121231203011330 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, two hundred three million, eleven thousand, three hundred thirty".