1202001002000 has 40 divisors (see below), whose sum is σ = 2906438427672. Its totient is φ = 480800400000.

The previous prime is 1202001001991. The next prime is 1202001002029. The reversal of 1202001002000 is 2001002021.

It can be written as a sum of positive squares in 4 ways, for example, as 151925330176 + 1050075671824 = 389776^2 + 1024732^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1202001002000³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300498251 + ... + 300502250.

Almost surely, 2^{1202001002000} is an apocalyptic number.

1202001002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202001002000 is an abundant number, since it is smaller than the sum of its proper divisors (1704437425672).

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

1202001002000 is an equidigital number, since it uses as much as digits as its factorization.

1202001002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601000524 (or 601000508 counting only the distinct ones).

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

Adding to 1202001002000 its reverse (2001002021), we get a palindrome (1204002004021).

The spelling of 1202001002000 in words is "one trillion, two hundred two billion, one million, two thousand".