1020220012112 has 40 divisors (see below), whose sum is σ = 2270886177792. Its totient is φ = 434947939200.

The previous prime is 1020220012087. The next prime is 1020220012243. The reversal of 1020220012112 is 2112100220201.

It is a super-2 number, since 2×1020220012112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 23824439 + ... + 23867222.

Almost surely, 2^{1020220012112} is an apocalyptic number.

It is an amenable number.

1020220012112 is an abundant number, since it is smaller than the sum of its proper divisors (1250666165680).

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

1020220012112 is a wasteful number, since it uses less digits than its factorization.

1020220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47691867 (or 47691861 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020220012112 its reverse (2112100220201), we get a palindrome (3132320232313).

The spelling of 1020220012112 in words is "one trillion, twenty billion, two hundred twenty million, twelve thousand, one hundred twelve".