1020612112 has 40 divisors (see below), whose sum is σ = 2142682304. Its totient is φ = 468146304.

The previous prime is 1020612079. The next prime is 1020612133. The reversal of 1020612112 is 2112160201.

It is a super-2 number, since 2×1020612112² = 2083298166322201088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853 + ... + 48955.

Almost surely, 2^1020612112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020612112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071341152).

1020612112 is an abundant number, since it is smaller than the sum of its proper divisors (1122070192).

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

1020612112 is a wasteful number, since it uses less digits than its factorization.

1020612112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30287 (or 30281 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1020612112 is about 31947.0203931446. The cubic root of 1020612112 is about 1006.8240306795.

Adding to 1020612112 its reverse (2112160201), we get a palindrome (3132772313).

The spelling of 1020612112 in words is "one billion, twenty million, six hundred twelve thousand, one hundred twelve".