123201001010 has 8 divisors (see below), whose sum is σ = 221761801836. Its totient is φ = 49280400400.

The previous prime is 123201000961. The next prime is 123201001051. The reversal of 123201001010 is 10100102321.

It can be written as a sum of positive squares in 2 ways, for example, as 102459528649 + 20741472361 = 320093^2 + 144019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123201000982 and 123201001000.

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 3 ways as a sum of consecutive naturals, for example, 6160050041 + ... + 6160050060.

Almost surely, 2^123201001010 is an apocalyptic number.

123201001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123201001010 is a deficient number, since it is larger than the sum of its proper divisors (98560800826).

123201001010 is a wasteful number, since it uses less digits than its factorization.

123201001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320100108.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 123201001010 its reverse (10100102321), we get a palindrome (133301103331).

The spelling of 123201001010 in words is "one hundred twenty-three billion, two hundred one million, one thousand, ten".