121342341624 has 64 divisors (see below), whose sum is σ = 348073770240. Its totient is φ = 34531104000.

The previous prime is 121342341619. The next prime is 121342341641. The reversal of 121342341624 is 426143243121.

It is a nude number because it is divisible by every one of its digits.

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, 1396629 + ... + 1480964.

It is an arithmetic number, because the mean of its divisors is an integer number (5438652660).

Almost surely, 2^121342341624 is an apocalyptic number.

121342341624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121342341624 is an abundant number, since it is smaller than the sum of its proper divisors (226731428616).

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

121342341624 is a wasteful number, since it uses less digits than its factorization.

121342341624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877860 (or 2877856 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

Adding to 121342341624 its reverse (426143243121), we get a palindrome (547485584745).

The spelling of 121342341624 in words is "one hundred twenty-one billion, three hundred forty-two million, three hundred forty-one thousand, six hundred twenty-four".