1012211002000 has 160 divisors (see below), whose sum is σ = 2786118177024. Its totient is φ = 352073216000.

The previous prime is 1012211001983. The next prime is 1012211002013. The reversal of 1012211002000 is 2001122101.

1012211002000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012211002000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494209 + ... + 1506208.

Almost surely, 2^{1012211002000} is an apocalyptic number.

1012211002000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012211002000 is an abundant number, since it is smaller than the sum of its proper divisors (1773907175024).

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

1012211002000 is a wasteful number, since it uses less digits than its factorization.

1012211002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000474 (or 2000458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012211002000 its reverse (2001122101), we get a palindrome (1014212124101).

The spelling of 1012211002000 in words is "one trillion, twelve billion, two hundred eleven million, two thousand".