1210420010 has 16 divisors (see below), whose sum is σ = 2182392072. Its totient is φ = 483360000.

The previous prime is 1210420007. The next prime is 1210420021. The reversal of 1210420010 is 100240121.

It can be written as a sum of positive squares in 4 ways, for example, as 970758649 + 239661361 = 31157^2 + 15481^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1210419973 and 1210420000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94691 + ... + 106710.

Almost surely, 2^1210420010 is an apocalyptic number.

1210420010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210420010 is a deficient number, since it is larger than the sum of its proper divisors (971972062).

1210420010 is a wasteful number, since it uses less digits than its factorization.

1210420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202009.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1210420010 is about 34791.0909573126. The cubic root of 1210420010 is about 1065.7255182597.

Adding to 1210420010 its reverse (100240121), we get a palindrome (1310660131).

The spelling of 1210420010 in words is "one billion, two hundred ten million, four hundred twenty thousand, ten".