1202001122112 has 56 divisors (see below), whose sum is σ = 3634622444736. Its totient is φ = 343428891648.

The previous prime is 1202001122111. The next prime is 1202001122123. The reversal of 1202001122112 is 2112211002021.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 1202001122091 and 1202001122100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202001122111) 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, 447171693 + ... + 447174380.

Almost surely, 2^{1202001122112} is an apocalyptic number.

1202001122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202001122112 is an abundant number, since it is smaller than the sum of its proper divisors (2432621322624).

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

1202001122112 is an equidigital number, since it uses as much as digits as its factorization.

1202001122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894346095 (or 894346085 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1202001122112 its reverse (2112211002021), we get a palindrome (3314212124133).

The spelling of 1202001122112 in words is "one trillion, two hundred two billion, one million, one hundred twenty-two thousand, one hundred twelve".