201002012102040 has 64 divisors (see below), whose sum is σ = 629223690067200. Its totient is φ = 51270078448512.

The previous prime is 201002012102039. The next prime is 201002012102077. The reversal of 201002012102040 is 40201210200102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36413405230 + ... + 36413410749.

It is an arithmetic number, because the mean of its divisors is an integer number (9831620157300).

Almost surely, 2^{201002012102040} is an apocalyptic number.

201002012102040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002012102040 is an abundant number, since it is smaller than the sum of its proper divisors (428221677965160).

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

201002012102040 is a wasteful number, since it uses less digits than its factorization.

201002012102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72826816016 (or 72826816012 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 201002012102040 its reverse (40201210200102), we get a palindrome (241203222302142).

The spelling of 201002012102040 in words is "two hundred one trillion, two billion, twelve million, one hundred two thousand, forty".