103215021252 has 24 divisors (see below), whose sum is σ = 275240056896. Its totient is φ = 29490006048.

The previous prime is 103215021209. The next prime is 103215021271. The reversal of 103215021252 is 252120512301.

It is a super-3 number, since 3×103215021252³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 614375043 + ... + 614375210.

It is an arithmetic number, because the mean of its divisors is an integer number (11468335704).

Almost surely, 2^103215021252 is an apocalyptic number.

103215021252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103215021252 is an abundant number, since it is smaller than the sum of its proper divisors (172025035644).

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

103215021252 is a wasteful number, since it uses less digits than its factorization.

103215021252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228750267 (or 1228750265 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 103215021252 its reverse (252120512301), we get a palindrome (355335533553).

The spelling of 103215021252 in words is "one hundred three billion, two hundred fifteen million, twenty-one thousand, two hundred fifty-two".