121401412 has 36 divisors (see below), whose sum is σ = 244638576. Its totient is φ = 52271280.

The previous prime is 121401389. The next prime is 121401419. The reversal of 121401412 is 214104121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121401419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12063 + ... + 19705.

It is an arithmetic number, because the mean of its divisors is an integer number (6795516).

Almost surely, 2^121401412 is an apocalyptic number.

It is an amenable number.

121401412 is an abundant number, since it is smaller than the sum of its proper divisors (123237164).

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

121401412 is a wasteful number, since it uses less digits than its factorization.

121401412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 121401412 is about 11018.2308924800. The cubic root of 121401412 is about 495.1550879552.

Adding to 121401412 its reverse (214104121), we get a palindrome (335505533).

The spelling of 121401412 in words is "one hundred twenty-one million, four hundred one thousand, four hundred twelve".