121230122030 has 32 divisors (see below), whose sum is σ = 220414749696. Its totient is φ = 48004717824.

The previous prime is 121230122023. The next prime is 121230122051. The reversal of 121230122030 is 30221032121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475952 + ... + 684828.

It is an arithmetic number, because the mean of its divisors is an integer number (6887960928).

Almost surely, 2^121230122030 is an apocalyptic number.

121230122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121230122030 is a deficient number, since it is larger than the sum of its proper divisors (99184627666).

121230122030 is a wasteful number, since it uses less digits than its factorization.

121230122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209468.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121230122030 its reverse (30221032121), we get a palindrome (151451154151).

The spelling of 121230122030 in words is "one hundred twenty-one billion, two hundred thirty million, one hundred twenty-two thousand, thirty".