121241412104 has 8 divisors (see below), whose sum is σ = 227327647710. Its totient is φ = 60620706048.

The previous prime is 121241412091. The next prime is 121241412119. The reversal of 121241412104 is 401214142121.

It can be written as a sum of positive squares in only one way, i.e., 110687959204 + 10553452900 = 332698^2 + 102730^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121241412104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7577588249 + ... + 7577588264.

Almost surely, 2^121241412104 is an apocalyptic number.

It is an amenable number.

121241412104 is a deficient number, since it is larger than the sum of its proper divisors (106086235606).

121241412104 is a wasteful number, since it uses less digits than its factorization.

121241412104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155176519 (or 15155176515 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121241412104 its reverse (401214142121), we get a palindrome (522455554225).

The spelling of 121241412104 in words is "one hundred twenty-one billion, two hundred forty-one million, four hundred twelve thousand, one hundred four".