121214522504 has 8 divisors (see below), whose sum is σ = 227277229710. Its totient is φ = 60607261248.

The previous prime is 121214522489. The next prime is 121214522543. The reversal of 121214522504 is 405225412121.

It can be written as a sum of positive squares in only one way, i.e., 119225184100 + 1989338404 = 345290^2 + 44602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575907649 + ... + 7575907664.

Almost surely, 2^121214522504 is an apocalyptic number.

It is an amenable number.

121214522504 is a deficient number, since it is larger than the sum of its proper divisors (106062707206).

121214522504 is a wasteful number, since it uses less digits than its factorization.

121214522504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15151815319 (or 15151815315 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 121214522504 its reverse (405225412121), we get a palindrome (526439934625).

The spelling of 121214522504 in words is "one hundred twenty-one billion, two hundred fourteen million, five hundred twenty-two thousand, five hundred four".