1222000101000 has 896 divisors, whose sum is σ = 5014572076800. Its totient is φ = 272769638400.

The previous prime is 1222000100983. The next prime is 1222000101103. The reversal of 1222000101000 is 1010002221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 219426216 + ... + 219431784.

Almost surely, 2^{1222000101000} is an apocalyptic number.

1222000101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222000101000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507286038400).

1222000101000 is an abundant number, since it is smaller than the sum of its proper divisors (3792571975800).

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

1222000101000 is an equidigital number, since it uses as much as digits as its factorization.

1222000101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658 (or 5629 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1222000101000 its reverse (1010002221), we get a palindrome (1223010103221).

The spelling of 1222000101000 in words is "one trillion, two hundred twenty-two billion, one hundred one thousand".