1010100012 has 12 divisors (see below), whose sum is σ = 2356900056. Its totient is φ = 336700000.

The previous prime is 1010100011. The next prime is 1010100019. The reversal of 1010100012 is 2100010101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (1010100011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42087489 + ... + 42087512.

It is an arithmetic number, because the mean of its divisors is an integer number (196408338).

Almost surely, 2^1010100012 is an apocalyptic number.

1010100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010100012 is an abundant number, since it is smaller than the sum of its proper divisors (1346800044).

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

1010100012 is a wasteful number, since it uses less digits than its factorization.

1010100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84175008 (or 84175006 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1010100012 is about 31782.0706059250. The cubic root of 1010100012 is about 1003.3553993693.

Adding to 1010100012 its reverse (2100010101), we get a palindrome (3110110113).

The spelling of 1010100012 in words is "one billion, ten million, one hundred thousand, twelve".