121302401040032 has 72 divisors (see below), whose sum is σ = 253793604637440. Its totient is φ = 57059796085760.

The previous prime is 121302401039933. The next prime is 121302401040091. The reversal of 121302401040032 is 230040104203121.

It is a super-2 number, since 2×121302401040032² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19576769 + ... + 25017087.

It is an arithmetic number, because the mean of its divisors is an integer number (3524911175520).

Almost surely, 2^{121302401040032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121302401040032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126896802318720).

121302401040032 is an abundant number, since it is smaller than the sum of its proper divisors (132491203597408).

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

121302401040032 is a wasteful number, since it uses less digits than its factorization.

121302401040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5442774 (or 5442749 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121302401040032 its reverse (230040104203121), we get a palindrome (351342505243153).

The spelling of 121302401040032 in words is "one hundred twenty-one trillion, three hundred two billion, four hundred one million, forty thousand, thirty-two".