1202021112000 has 224 divisors, whose sum is σ = 3977004455424. Its totient is φ = 319898496000.

The previous prime is 1202021111989. The next prime is 1202021112031. The reversal of 1202021112000 is 2111202021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12022215 + ... + 12121785.

It is an arithmetic number, because the mean of its divisors is an integer number (17754484176).

Almost surely, 2^{1202021112000} is an apocalyptic number.

1202021112000 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 1202021112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988502227712).

1202021112000 is an abundant number, since it is smaller than the sum of its proper divisors (2774983343424).

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

1202021112000 is an equidigital number, since it uses as much as digits as its factorization.

1202021112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100104 (or 100084 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202021112000 its reverse (2111202021), we get a palindrome (1204132314021).

The spelling of 1202021112000 in words is "one trillion, two hundred two billion, twenty-one million, one hundred twelve thousand".