252015421221302 has 8 divisors (see below), whose sum is σ = 378023292393912. Its totient is φ = 126007657090000.

The previous prime is 252015421221301. The next prime is 252015421221367. The reversal of 252015421221302 is 203122124510252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252015421221301) 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, 20589824 + ... + 30462627.

It is an arithmetic number, because the mean of its divisors is an integer number (47252911549239).

Almost surely, 2^{252015421221302} is an apocalyptic number.

252015421221302 is a deficient number, since it is larger than the sum of its proper divisors (126007871172610).

252015421221302 is a wasteful number, since it uses less digits than its factorization.

252015421221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53520654.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 252015421221302 its reverse (203122124510252), we get a palindrome (455137545731554).

The spelling of 252015421221302 in words is "two hundred fifty-two trillion, fifteen billion, four hundred twenty-one million, two hundred twenty-one thousand, three hundred two".