121230213004 has 12 divisors (see below), whose sum is σ = 212156195328. Its totient is φ = 60614157200.

The previous prime is 121230212993. The next prime is 121230213031. The reversal of 121230213004 is 400312032121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104814 + ... + 503434.

It is an arithmetic number, because the mean of its divisors is an integer number (17679682944).

Almost surely, 2^121230213004 is an apocalyptic number.

It is an amenable number.

121230213004 is a deficient number, since it is larger than the sum of its proper divisors (90925982324).

121230213004 is a wasteful number, since it uses less digits than its factorization.

121230213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474656 (or 474654 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121230213004 its reverse (400312032121), we get a palindrome (521542245125).

The spelling of 121230213004 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred thirteen thousand, four".