1012231980 has 72 divisors (see below), whose sum is σ = 3116301552. Its totient is φ = 265896576.

The previous prime is 1012231963. The next prime is 1012231981. The reversal of 1012231980 is 891322101.

1012231980 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1012231980² = 2049227162669440800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012231981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29907 + ... + 54026.

It is an arithmetic number, because the mean of its divisors is an integer number (43281966).

Almost surely, 2^1012231980 is an apocalyptic number.

1012231980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012231980 is an abundant number, since it is smaller than the sum of its proper divisors (2104069572).

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

1012231980 is a wasteful number, since it uses less digits than its factorization.

1012231980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84015 (or 84010 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1012231980 is about 31815.5933466594. The cubic root of 1012231980 is about 1004.0608141340.

The spelling of 1012231980 in words is "one billion, twelve million, two hundred thirty-one thousand, nine hundred eighty".