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1010112112020 = 22351110182118457
BaseRepresentation
bin11101011001011110101…
…11111010010110010100
310120120021110010221101110
432230233113322112110
5113022202200041040
62052012240055020
7132656343200124
oct16545727722624
93516243127343
101010112112020
1135a427a54370
12143924604470
137433a27a78b
1436c65430c84
151b41e3bc980
hexeb2f5fa594

1010112112020 has 192 divisors, whose sum is σ = 3119946584832. Its totient is φ = 242142720000.

The previous prime is 1010112112001. The next prime is 1010112112109. The reversal of 1010112112020 is 202112110101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010112111987 and 1010112112005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54718632 + ... + 54737088.

It is an arithmetic number, because the mean of its divisors is an integer number (16249721796).

Almost surely, 21010112112020 is an apocalyptic number.

1010112112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010112112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559973292416).

1010112112020 is an abundant number, since it is smaller than the sum of its proper divisors (2109834472812).

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

1010112112020 is a wasteful number, since it uses less digits than its factorization.

1010112112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19402 (or 19400 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1010112112020 its reverse (202112110101), we get a palindrome (1212224222121).

It can be divided in two parts, 10101 and 12112020, that added together give a palindrome (12122121).

The spelling of 1010112112020 in words is "one trillion, ten billion, one hundred twelve million, one hundred twelve thousand, twenty".