1022201212000 has 48 divisors (see below), whose sum is σ = 2511548387712. Its totient is φ = 408880483200.

The previous prime is 1022201211961. The next prime is 1022201212001. The reversal of 1022201212000 is 2121022201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022201212001) 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, 127771152 + ... + 127779151.

It is an arithmetic number, because the mean of its divisors is an integer number (52323924744).

Almost surely, 2^{1022201212000} is an apocalyptic number.

1022201212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022201212000 is an abundant number, since it is smaller than the sum of its proper divisors (1489347175712).

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

1022201212000 is an equidigital number, since it uses as much as digits as its factorization.

1022201212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255550328 (or 255550310 counting only the distinct ones).

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

Adding to 1022201212000 its reverse (2121022201), we get a palindrome (1024322234201).

The spelling of 1022201212000 in words is "one trillion, twenty-two billion, two hundred one million, two hundred twelve thousand".