1201212010 has 16 divisors (see below), whose sum is σ = 2289369096. Its totient is φ = 452220928.

The previous prime is 1201211971. The next prime is 1201212043. The reversal of 1201212010 is 102121021.

It can be written as a sum of positive squares in 4 ways, for example, as 1068570721 + 132641289 = 32689^2 + 11517^2 .

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

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, 3532807 + ... + 3533146.

Almost surely, 2^1201212010 is an apocalyptic number.

1201212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201212010 is a deficient number, since it is larger than the sum of its proper divisors (1088157086).

1201212010 is a wasteful number, since it uses less digits than its factorization.

1201212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065977.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1201212010 is about 34658.5055938654. The cubic root of 1201212010 is about 1063.0162134718.

Adding to 1201212010 its reverse (102121021), we get a palindrome (1303333031).

The spelling of 1201212010 in words is "one billion, two hundred one million, two hundred twelve thousand, ten".