121204312150 has 12 divisors (see below), whose sum is σ = 225440020692. Its totient is φ = 48481724840.

The previous prime is 121204312129. The next prime is 121204312193. The reversal of 121204312150 is 51213402121.

121204312150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1212043072 + ... + 1212043171.

It is an arithmetic number, because the mean of its divisors is an integer number (18786668391).

Almost surely, 2^121204312150 is an apocalyptic number.

121204312150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121204312150 is a deficient number, since it is larger than the sum of its proper divisors (104235708542).

121204312150 is a wasteful number, since it uses less digits than its factorization.

121204312150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424086255 (or 2424086250 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 121204312150 its reverse (51213402121), we get a palindrome (172417714271).

The spelling of 121204312150 in words is "one hundred twenty-one billion, two hundred four million, three hundred twelve thousand, one hundred fifty".