102013210 has 16 divisors (see below), whose sum is σ = 197748936. Its totient is φ = 37666368.

The previous prime is 102013201. The next prime is 102013217. The reversal of 102013210 is 12310201.

It can be written as a sum of positive squares in 4 ways, for example, as 74356129 + 27657081 = 8623^2 + 5259^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102013217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392229 + ... + 392488.

Almost surely, 2^102013210 is an apocalyptic number.

102013210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102013210 is a deficient number, since it is larger than the sum of its proper divisors (95735726).

102013210 is a wasteful number, since it uses less digits than its factorization.

102013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784737.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102013210 is about 10100.1589096410. The cubic root of 102013210 is about 467.2530423774.

Adding to 102013210 its reverse (12310201), we get a palindrome (114323411).

The spelling of 102013210 in words is "one hundred two million, thirteen thousand, two hundred ten".