104211521252 has 12 divisors (see below), whose sum is σ = 191968591920. Its totient is φ = 49363352136.

The previous prime is 104211521243. The next prime is 104211521291. The reversal of 104211521252 is 252125112401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685602038 + ... + 685602189.

It is an arithmetic number, because the mean of its divisors is an integer number (15997382660).

Almost surely, 2^104211521252 is an apocalyptic number.

It is an amenable number.

104211521252 is a deficient number, since it is larger than the sum of its proper divisors (87757070668).

104211521252 is a wasteful number, since it uses less digits than its factorization.

104211521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371204250 (or 1371204248 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 104211521252 its reverse (252125112401), we get a palindrome (356336633653).

The spelling of 104211521252 in words is "one hundred four billion, two hundred eleven million, five hundred twenty-one thousand, two hundred fifty-two".