1231201010 has 16 divisors (see below), whose sum is σ = 2386636056. Its totient is φ = 454597248.

The previous prime is 1231200961. The next prime is 1231201019. The reversal of 1231201010 is 101021321.

It can be written as a sum of positive squares in 4 ways, for example, as 1004065969 + 227135041 = 31687^2 + 15071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231200982 and 1231201000.

It is not an unprimeable number, because it can be changed into a prime (1231201019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4735259 + ... + 4735518.

Almost surely, 2^1231201010 is an apocalyptic number.

1231201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231201010 is a deficient number, since it is larger than the sum of its proper divisors (1155435046).

1231201010 is a wasteful number, since it uses less digits than its factorization.

1231201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9470797.

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

The square root of 1231201010 is about 35088.4740335056. The cubic root of 1231201010 is about 1071.7898857013.

Adding to 1231201010 its reverse (101021321), we get a palindrome (1332222331).

The spelling of 1231201010 in words is "one billion, two hundred thirty-one million, two hundred one thousand, ten".