1012211934690 has 96 divisors (see below), whose sum is σ = 2680087673088. Its totient is φ = 244478995200.

The previous prime is 1012211934659. The next prime is 1012211934691. The reversal of 1012211934690 is 964391122101.

1012211934690 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 2×1012211934690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012211934691) 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, 469254 + ... + 1498206.

It is an arithmetic number, because the mean of its divisors is an integer number (27917579928).

Almost surely, 2^{1012211934690} is an apocalyptic number.

1012211934690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012211934690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1340043836544).

1012211934690 is an abundant number, since it is smaller than the sum of its proper divisors (1667875738398).

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

1012211934690 is a wasteful number, since it uses less digits than its factorization.

1012211934690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029256 (or 1029245 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 1012211934690 in words is "one trillion, twelve billion, two hundred eleven million, nine hundred thirty-four thousand, six hundred ninety".