123020132210 has 16 divisors (see below), whose sum is σ = 225614281176. Its totient is φ = 48279598848.

The previous prime is 123020132173. The next prime is 123020132237. The reversal of 123020132210 is 12231020321.

It can be written as a sum of positive squares in 4 ways, for example, as 78541744009 + 44478388201 = 280253^2 + 210899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116056199 + ... + 116057258.

Almost surely, 2^123020132210 is an apocalyptic number.

123020132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123020132210 is a deficient number, since it is larger than the sum of its proper divisors (102594148966).

123020132210 is a wasteful number, since it uses less digits than its factorization.

123020132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232113517.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123020132210 its reverse (12231020321), we get a palindrome (135251152531).

The spelling of 123020132210 in words is "one hundred twenty-three billion, twenty million, one hundred thirty-two thousand, two hundred ten".