121004401432 has 64 divisors (see below), whose sum is σ = 233968775040. Its totient is φ = 58646937600.

The previous prime is 121004401387. The next prime is 121004401477. The reversal of 121004401432 is 234104400121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121004401387) and next prime (121004401477).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11402673 + ... + 11413279.

It is an arithmetic number, because the mean of its divisors is an integer number (3655762110).

Almost surely, 2^121004401432 is an apocalyptic number.

It is an amenable number.

121004401432 is a deficient number, since it is larger than the sum of its proper divisors (112964373608).

121004401432 is a wasteful number, since it uses less digits than its factorization.

121004401432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11012 (or 11008 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121004401432 its reverse (234104400121), we get a palindrome (355108801553).

The spelling of 121004401432 in words is "one hundred twenty-one billion, four million, four hundred one thousand, four hundred thirty-two".