103021212112 has 80 divisors (see below), whose sum is σ = 246023892352. Its totient is φ = 40696266240.

The previous prime is 103021212103. The next prime is 103021212143. The reversal of 103021212112 is 211212120301.

It is a super-2 number, since 2×103021212112² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954898 + ... + 1057294.

Almost surely, 2^103021212112 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 103021212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123011946176).

103021212112 is an abundant number, since it is smaller than the sum of its proper divisors (143002680240).

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

103021212112 is a wasteful number, since it uses less digits than its factorization.

103021212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103116 (or 103110 counting only the distinct ones).

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

Adding to 103021212112 its reverse (211212120301), we get a palindrome (314233332413).

The spelling of 103021212112 in words is "one hundred three billion, twenty-one million, two hundred twelve thousand, one hundred twelve".