1220102010010 has 64 divisors (see below), whose sum is σ = 2425247352864. Its totient is φ = 439068672000.

The previous prime is 1220102009981. The next prime is 1220102010019. The reversal of 1220102010010 is 100102010221.

It can be written as a sum of positive squares in 16 ways, for example, as 123354785961 + 1096747224049 = 351219^2 + 1047257^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1220102010019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5199210 + ... + 5428810.

Almost surely, 2^{1220102010010} is an apocalyptic number.

1220102010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220102010010 is a deficient number, since it is larger than the sum of its proper divisors (1205145342854).

1220102010010 is a wasteful number, since it uses less digits than its factorization.

1220102010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230659.

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

Adding to 1220102010010 its reverse (100102010221), we get a palindrome (1320204020231).

The spelling of 1220102010010 in words is "one trillion, two hundred twenty billion, one hundred two million, ten thousand, ten".