1220102122000 has 40 divisors (see below), whose sum is σ = 2950206935832. Its totient is φ = 488040848000.

The previous prime is 1220102121971. The next prime is 1220102122007. The reversal of 1220102122000 is 2212010221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 386869072144 + 833233049856 = 621988^2 + 912816^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1220102122007) 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, 305023531 + ... + 305027530.

Almost surely, 2^{1220102122000} is an apocalyptic number.

1220102122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220102122000 is an abundant number, since it is smaller than the sum of its proper divisors (1730104813832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220102122000 is an equidigital number, since it uses as much as digits as its factorization.

1220102122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610051084 (or 610051068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220102122000 its reverse (2212010221), we get a palindrome (1222314132221).

The spelling of 1220102122000 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred twenty-two thousand".