1011012030 has 160 divisors (see below), whose sum is σ = 3183364800. Its totient is φ = 225400320.

The previous prime is 1011011999. The next prime is 1011012031. The reversal of 1011012030 is 302101101.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011012031) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 230296 + ... + 234644.

It is an arithmetic number, because the mean of its divisors is an integer number (19896030).

Almost surely, 2^1011012030 is an apocalyptic number.

1011012030 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 1011012030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591682400).

1011012030 is an abundant number, since it is smaller than the sum of its proper divisors (2172352770).

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

1011012030 is a wasteful number, since it uses less digits than its factorization.

1011012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1011012030 is about 31796.4153639998. The cubic root of 1011012030 is about 1003.6572846295.

Adding to 1011012030 its reverse (302101101), we get a palindrome (1313113131).

The spelling of 1011012030 in words is "one billion, eleven million, twelve thousand, thirty".