121203020300 has 36 divisors (see below), whose sum is σ = 265338105816. Its totient is φ = 48052166400.

The previous prime is 121203020291. The next prime is 121203020311. The reversal of 121203020300 is 3020302121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5351666 + ... + 5374265.

Almost surely, 2^121203020300 is an apocalyptic number.

121203020300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121203020300 is an abundant number, since it is smaller than the sum of its proper divisors (144135085516).

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

121203020300 is a wasteful number, since it uses less digits than its factorization.

121203020300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726058 (or 10726051 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121203020300 its reverse (3020302121), we get a palindrome (124223322421).

The spelling of 121203020300 in words is "one hundred twenty-one billion, two hundred three million, twenty thousand, three hundred".