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3212133032021 = 3557903045553
BaseRepresentation
bin101110101111100010000…
…011000110000001010101
3102101002002001222211220212
4232233202003012001111
5410111422024011041
610455344502335205
7451032436164224
oct56574203060125
912332061884825
103212133032021
1110292923a1471
1243a648a2a505
131a3b97721464
14b167a544cbb
155884ce658eb
hex2ebe20c6055

3212133032021 has 4 divisors (see below), whose sum is σ = 3213036081132. Its totient is φ = 3211229982912.

The previous prime is 3212133031993. The next prime is 3212133032051. The reversal of 3212133032021 is 1202303312123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1888508092900 + 1323624939121 = 1374230^2 + 1150489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3212133032021 is a prime.

It is a super-2 number, since 2×32121330320212 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212133032051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451519220 + ... + 451526333.

It is an arithmetic number, because the mean of its divisors is an integer number (803259020283).

Almost surely, 23212133032021 is an apocalyptic number.

It is an amenable number.

3212133032021 is a deficient number, since it is larger than the sum of its proper divisors (903049111).

3212133032021 is an equidigital number, since it uses as much as digits as its factorization.

3212133032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903049110.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3212133032021 its reverse (1202303312123), we get a palindrome (4414436344144).

The spelling of 3212133032021 in words is "three trillion, two hundred twelve billion, one hundred thirty-three million, thirty-two thousand, twenty-one".

Divisors: 1 3557 903045553 3212133032021