102349012 has 12 divisors (see below), whose sum is σ = 179573940. Its totient is φ = 51042176.

The previous prime is 102348979. The next prime is 102349019. The reversal of 102349012 is 210943201.

It can be written as a sum of positive squares in 2 ways, for example, as 45104656 + 57244356 = 6716^2 + 7566^2 .

It is a super-2 number, since 2×102349012² = 20950640514752288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102349019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31333 + ... + 34444.

It is an arithmetic number, because the mean of its divisors is an integer number (14964495).

Almost surely, 2^102349012 is an apocalyptic number.

It is an amenable number.

102349012 is a deficient number, since it is larger than the sum of its proper divisors (77224928).

102349012 is a wasteful number, since it uses less digits than its factorization.

102349012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66170 (or 66168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 102349012 is about 10116.7688517629. The cubic root of 102349012 is about 467.7651742762.

The spelling of 102349012 in words is "one hundred two million, three hundred forty-nine thousand, twelve".