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2212001022132 = 223211192359216649
BaseRepresentation
bin100000001100000101100…
…010010000000010110100
321211110120011011121220200
4200030011202100002310
5242220134230202012
64412102414400500
7315545306313546
oct40140542200264
97743504147820
102212001022132
11783116a015a0
122b884a800130
1313078acb5375
14790c0777696
153c814d253dc
hex203058900b4

2212001022132 has 288 divisors, whose sum is σ = 6813555840000. Its totient is φ = 597116551680.

The previous prime is 2212001022067. The next prime is 2212001022139. The reversal of 2212001022132 is 2312201002122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212001022139) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10101744 + ... + 10318392.

It is an arithmetic number, because the mean of its divisors is an integer number (23658180000).

Almost surely, 22212001022132 is an apocalyptic number.

2212001022132 is a gapful number since it is divisible by the number (22) 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 2212001022132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406777920000).

2212001022132 is an abundant number, since it is smaller than the sum of its proper divisors (4601554817868).

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

2212001022132 is a wasteful number, since it uses less digits than its factorization.

2212001022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216771 (or 216766 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2212001022132 its reverse (2312201002122), we get a palindrome (4524202024254).

The spelling of 2212001022132 in words is "two trillion, two hundred twelve billion, one million, twenty-two thousand, one hundred thirty-two".