120121145435652 has 192 divisors, whose sum is σ = 288515291904000. Its totient is φ = 38886090163200.

The previous prime is 120121145435597. The next prime is 120121145435689. The reversal of 120121145435652 is 256534541121021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12782920218 + ... + 12782929614.

It is an arithmetic number, because the mean of its divisors is an integer number (1502683812000).

Almost surely, 2^{120121145435652} is an apocalyptic number.

120121145435652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120121145435652 is an abundant number, since it is smaller than the sum of its proper divisors (168394146468348).

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

120121145435652 is a wasteful number, since it uses less digits than its factorization.

120121145435652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10360 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 120121145435652 its reverse (256534541121021), we get a palindrome (376655686556673).

The spelling of 120121145435652 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred forty-five million, four hundred thirty-five thousand, six hundred fifty-two".