121240214404 has 12 divisors (see below), whose sum is σ = 223337237200. Its totient is φ = 57429575208.

The previous prime is 121240214401. The next prime is 121240214419. The reversal of 121240214404 is 404412042121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121240214401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797632914 + ... + 797633065.

Almost surely, 2^121240214404 is an apocalyptic number.

It is an amenable number.

121240214404 is a deficient number, since it is larger than the sum of its proper divisors (102097022796).

121240214404 is a wasteful number, since it uses less digits than its factorization.

121240214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595266002 (or 1595266000 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 121240214404 its reverse (404412042121), we get a palindrome (525652256525).

The spelling of 121240214404 in words is "one hundred twenty-one billion, two hundred forty million, two hundred fourteen thousand, four hundred four".