122540002352452 has 36 divisors (see below), whose sum is σ = 225766595917548. Its totient is φ = 58174803211200.

The previous prime is 122540002352431. The next prime is 122540002352459. The reversal of 122540002352452 is 254253200045221.

It can be written as a sum of positive squares in 2 ways, for example, as 90853190509636 + 31686811842816 = 9531694^2 + 5629104^2 .

It is not an unprimeable number, because it can be changed into a prime (122540002352459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300534499 + ... + 300941962.

It is an arithmetic number, because the mean of its divisors is an integer number (6271294331043).

Almost surely, 2^{122540002352452} is an apocalyptic number.

It is an amenable number.

122540002352452 is a deficient number, since it is larger than the sum of its proper divisors (103226593565096).

122540002352452 is a wasteful number, since it uses less digits than its factorization.

122540002352452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601476580 (or 601476547 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 122540002352452 its reverse (254253200045221), we get a palindrome (376793202397673).

The spelling of 122540002352452 in words is "one hundred twenty-two trillion, five hundred forty billion, two million, three hundred fifty-two thousand, four hundred fifty-two".