21352525201210 has 16 divisors (see below), whose sum is σ = 43925194699776. Its totient is φ = 7320865783248.

The previous prime is 21352525201193. The next prime is 21352525201223. The reversal of 21352525201210 is 1210252525312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152518037082 + ... + 152518037221.

It is an arithmetic number, because the mean of its divisors is an integer number (2745324668736).

Almost surely, 2^{21352525201210} is an apocalyptic number.

21352525201210 is an abundant number, since it is smaller than the sum of its proper divisors (22572669498566).

21352525201210 is a wasteful number, since it uses less digits than its factorization.

21352525201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305036074317.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 21352525201210 its reverse (1210252525312), we get a palindrome (22562777726522).

The spelling of 21352525201210 in words is "twenty-one trillion, three hundred fifty-two billion, five hundred twenty-five million, two hundred one thousand, two hundred ten".