1201011222010 has 16 divisors (see below), whose sum is σ = 2162311936776. Its totient is φ = 480295213888.

The previous prime is 1201011221999. The next prime is 1201011222049. The reversal of 1201011222010 is 102221101021.

It can be written as a sum of positive squares in 4 ways, for example, as 591670178401 + 609341043609 = 769201^2 + 780603^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13613197 + ... + 13701136.

Almost surely, 2^{1201011222010} is an apocalyptic number.

1201011222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201011222010 is a deficient number, since it is larger than the sum of its proper divisors (961300714766).

1201011222010 is a wasteful number, since it uses less digits than its factorization.

1201011222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27318737.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201011222010 its reverse (102221101021), we get a palindrome (1303232323031).

The spelling of 1201011222010 in words is "one trillion, two hundred one billion, eleven million, two hundred twenty-two thousand, ten".