121552423352 has 16 divisors (see below), whose sum is σ = 228386606400. Its totient is φ = 60649328320.

The previous prime is 121552423337. The next prime is 121552423357. The reversal of 121552423352 is 253324255121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121552423357) 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, 15856349 + ... + 15864012.

It is an arithmetic number, because the mean of its divisors is an integer number (14274162900).

Almost surely, 2^121552423352 is an apocalyptic number.

It is an amenable number.

121552423352 is a deficient number, since it is larger than the sum of its proper divisors (106834183048).

121552423352 is a wasteful number, since it uses less digits than its factorization.

121552423352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31720846 (or 31720842 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 121552423352 its reverse (253324255121), we get a palindrome (374876678473).

The spelling of 121552423352 in words is "one hundred twenty-one billion, five hundred fifty-two million, four hundred twenty-three thousand, three hundred fifty-two".