1012212001992 has 32 divisors (see below), whose sum is σ = 2530937412000. Its totient is φ = 337349679744.

The previous prime is 1012212001991. The next prime is 1012212002023. The reversal of 1012212001992 is 2991002122101.

1012212001992 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 2×1012212001992² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012212001991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242742 + ... + 3541157.

It is an arithmetic number, because the mean of its divisors is an integer number (79091794125).

Almost surely, 2^{1012212001992} is an apocalyptic number.

1012212001992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012212001992 is an abundant number, since it is smaller than the sum of its proper divisors (1518725410008).

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

1012212001992 is a wasteful number, since it uses less digits than its factorization.

1012212001992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6790125 (or 6790121 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 1012212001992 in words is "one trillion, twelve billion, two hundred twelve million, one thousand, nine hundred ninety-two".