1012202052550 has 96 divisors (see below), whose sum is σ = 2045287843200. Its totient is φ = 370468700160.

The previous prime is 1012202052529. The next prime is 1012202052551. The reversal of 1012202052550 is 552502022101.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012202052551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64019046 + ... + 64034854.

It is an arithmetic number, because the mean of its divisors is an integer number (21305081700).

Almost surely, 2^{1012202052550} is an apocalyptic number.

1012202052550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012202052550 is an abundant number, since it is smaller than the sum of its proper divisors (1033085790650).

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

1012202052550 is a wasteful number, since it uses less digits than its factorization.

1012202052550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690 (or 16685 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 1012202052550 its reverse (552502022101), we get a palindrome (1564704074651).

The spelling of 1012202052550 in words is "one trillion, twelve billion, two hundred two million, fifty-two thousand, five hundred fifty".