1202391171072 has 1440 divisors, whose sum is σ = 4744305095040. Its totient is φ = 297271296000.

The previous prime is 1202391171071. The next prime is 1202391171083. The reversal of 1202391171072 is 2701711932021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202391171071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4790402947 + ... + 4790403197.

It is an arithmetic number, because the mean of its divisors is an integer number (3294656316).

Almost surely, 2^{1202391171072} is an apocalyptic number.

1202391171072 is a gapful number since it is divisible by the number (12) 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 1202391171072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2372152547520).

1202391171072 is an abundant number, since it is smaller than the sum of its proper divisors (3541913923968).

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

1202391171072 is a wasteful number, since it uses less digits than its factorization.

1202391171072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The spelling of 1202391171072 in words is "one trillion, two hundred two billion, three hundred ninety-one million, one hundred seventy-one thousand, seventy-two".